Trademark	Trademark Holder
L	Perfex Corporation
L/S	Cole-Parmer Instrument Co.
L4	Pelican Products
L900	Thermo Fisher Scientific
Lab Armor	Lab Armor
Lab File	Wheaton Inc.
Lab Label Maker	Control Company
Lab Lemco	Thermo Fisher Scientific
Lab Lids	Hubbard Scientific
Lab Pal	Brady Corporation
Lab VisIon	PHC Holding Corporation
Lab VisIon Autostainer	PHC Holding Corporation
Lab-Aids	Lab-Aids, Inc.
Lab-Aire	Bel-Art Products
LabChip	Caliper Life Sciences, Inc.
LABCOAT LIVE	Thermo Fisher Scientific
Labconco	Labconco
Labelizer	Brady Corporation
LabelMark	Brady Corporation
LabGlass	LabGlass
LabGuard	Minigrip/Zip-Pak
LabHand	Diversified Woodcrafts
Lab-Jack	Boekel Scientific
LABLENS	Bel-Art Products
LabLink	Thermo Fisher Scientific
LabLink xL	Thermo Fisher Scientific
LabMap	Luminex Corporation
LabMaster SI	Lightnin
Labofuge	Thermo Fisher Scientific
Labomed	Labo America
Laboport	KNF Neuberger
Labpette	Labnet International, Inc.
LabpetteR	Labnet International, Inc.
LabPRO	Rheodyne LLC
LabPro	Vernier Software & Technology LLC
LABQUAKE	Lab Industries
LabQuest	Vernier Software & Technology LLC
LabReporter	Fisher Scientific
LABSCREEN	Thermo Fisher Scientific
LabSolutions	Labconco
LABSONIC	Sartorius
LabStation	Edvotek
Labstix	Bayer Corporation
Labtainer	Thermo Fisher Scientific
Lab-Tek	Thermo Fisher Scientific
LabTemp	Biosynergy, Inc.
LABTITE	RD Plastics
Labtool	Control Company
Labtool II	Control Company
Lab-Top	Control Co.
LabTower	Thermo Fisher Scientific
LABTYPE	Thermo Fisher Scientific
Lab-View	Diversified Woodcrafts
LabVision	Diversified Woodcrafts
Labworldsoft	IKA Works
Labwriter	PHC Holding Corporation
Labx	Berkshire Corporation
LabX	Mettler Toledo
LABXPERT	Brady Corporation
LaChromUltra	Hitachi
LaCrosse Rainfair	LaCrosse Rainfair Safety Products
Ladderman	TaKaRa Shuzo Co.
Ladies Metal	H.L. Bouton
Ladish	Ladish Co. Inc.
Lamba	American Allsafe Co.
Lambda	Corning
Lambda ZAP	Stratagene
LaMotte	LaMotte Chemical Products Co.
LANCE	PerkinElmer
Lancer	Sherwood Medical
Lands' End	Lands End
Lanoxin	Glaxo Wellcome Inc.
LANtastic	Artisoft, Inc.
LanthaScreen	Thermo Fisher Scientific
Lanx	Xymid, L.L.C.
La-Pha-Pack	La-Pha-Pack
LapLink	Traveling Software
Laser Guide	Raytek Corporation
Laser Point	Raytek Corporation
Laser Spot	Pelican Products
Laser-Aid	Sperian
Laserflex	Pelican Products
Laser-Gard	Glendale Protective Technologies
LaserJet	Hewlett-Packard
Laser-Line	Glendale Protective Technologies
Laser-Lite	Howard Leight
Laser-Med	Glendale Protective Technologies
Laser-Trak	Howard Leight
Last-Drop	Alltech Associates
Latitude	CBM Intellectual Properties, Inc.
Latitude HT	Cambrex Corporation
Lauda	Lauda Dr. R. Wobser
Lavoptik	H.L. Bouton
Laxco	Laxco, Inc.
LBS	BD (Becton, Dickinson and Company)
LC IsoLink	Thermo Fisher Scientific
LCQ	Thermo Fisher Scientific
LCQ FLEET	Thermo Fisher Scientific
LCQuan	Thermo Fisher Scientific
LCx	Abbott Labs
Le Maitre	Le Maitre
Leadmium	Thermo Fisher Scientific
Leakator	Bacharach Inc
Leakbuster	Starplex Scientific
Leap	Leap Technologies
Learning Clock	Learning Resources, Inc.
Leco	Leco
Legaci	Thermo Fisher Scientific
Legal Sea Foods	Legal Sea Foods
Legend	Thermo Fisher Scientific
Leica	Leica Microsystems, Inc.
Leight	Howard Leight
Leightning	Howard Leight
LeLoop	Decon Laboratories
Lemo	Interlemo Holding S.A.
Lens Pod	Eye Safety Systems
Lensclean	H.L. Bouton
Lenscope	Bausch & Lomb, Inc.
LensPen	Parkside Optical, Inc.
Lensx	Berkshire Corporation
LentiArray	Thermo Fisher Scientific
Lenus	MDF
Lenzing FR	Lenzing Aktiengesellschaft
LeStab	Decon Laboratories
LeStreak	Decon Laboratories
Let's Tackle Math!	Learning Resources, Inc.
Leucolab	Maco Pharma
LEUKO EZ VUE	Techlab Enteric Diagnostics
LEUKOLOCK	Thermo Fisher Scientific
Levitron	Creative Gifts, Inc.
Lexa	Aearo Technologies
Lexan	SABIC Innovative Plastics IP B.V.
Lexmark	Lexmark International Inc.
LGT	Bacou-Dalloz
LHC	BioTek Instruments, Inc.
LIAISON	DiaSorin S.p.A.
Liberase	Roche Diagnostics
Library Builder	Thermo Fisher Scientific
Library Efficiency	Thermo Fisher Scientific
LichroCART	Merck KGaA
LiChrosorb	The Merck Group
LiChrospher	The Merck Group
LI-COR	LI-COR Biosciences
LidBac	Brinkmann Instruments
Life	Life Corporation
LIFE IN THE CLOUD	Thermo Fisher Scientific
Life Technologies	Thermo Fisher Scientific
LIFECYCLE	USCS Equipment Technology Solutions
LifeLocator II	UltraVision Security Systems, Inc.
Lifenet	Kappler USA
LIFEOXYGENPAC	Life Corporation
LIFEPAK	Physio-Control Corporation
LifeSaver	Emergency Medical Instrument Co.
LifeScan	Johnson & Johnson
LIFESCOPE	Thermo Fisher Scientific
LifeSecure	LifeSecure Emergency Solutions
LifterSlip	PHC Holding Corporation
Ligate-IT	Thermo Fisher Scientific
Ligation Express	Clontech Laboratories, Inc.
Light 'N' Strike Math	Learning Resources, Inc.
Light Sticks	Cyalume Technologies
Light Task II	North Safety Products
Light Task Plus 3	North Safety Products
LightCycler	Roche Diagnostics
LightHawk	Koehler-Bright Star, Inc.
Lightnin	Lightnin
Lightning	BioControl Systems
Lightning MVP	BioControl Systems
LIGHTPIPE	Thermo Fisher Scientific
LightShift	Thermo Fisher Scientific
LINAC	AB SCIEX
Linbro	MP Biomedicals
LIN-C	Coulter International Corporation
Lincode	GE Healthcare Dharmacon, Inc.
Lincoln Logs	Playskool, Inc.
Lindberg/Blue M	Thermo Fisher Scientific
Linear	Simmler, Inc.
Linear-K	Whatman Inc.
LinenTest	Carson Optical
LiniCal	International Enzymes, Inc.
Linistat	PHC Holding Corporation
Link 'N' Learn	Learning Resources, Inc.
LINK2	BD (Becton, Dickinson and Company)
LinkSēq	Thermo Fisher Scientific
Link-Lock	Enpac Corporation
LintGuard	Kimberly-Clark Corporation
Linux	Linus Torvalds
Lionheart	BioTek Instruments, Inc.
LipidTOX	Thermo Fisher Scientific
LipoClear	StatSpin Technologies, Inc.
Lipofectamine	Thermo Fisher Scientific
Lipofectin	Thermo Fisher Scientific
LipoTAXI	Genetic Applications
Liqua-Trol	Hycor Biomedical
LiquiChem	Hematronix Inc.
LiquiColor	Stanbio Laboratory Corporation
Liquid Handling Control	BioTek Instruments, Inc.
Liquid QC	International Enzymes, Inc.
LiquidBiopsy	CYNVENIO BIOSYSTEMS, INC.
LiquidBiopsy	Cynvenio Biosystems
Liquihep	BD (Becton, Dickinson and Company)
Liquimmune	Thermo Fisher Scientific
LiquiNox	Alconox
LiquiPhysics	Mettler Toledo
Liquiport™	KNF Lab
LiquiSystems	Mettler Toledo
Lissamine	Imperial Chemical Industries
Lite Force Plus	Morning Pride Manufacturing
Lite Mite	Stocker & Yale
Lite 'n Grit	Norcross Safety Products
LiteBox	Streamlight, Inc.
LiteLine	Flexlite Inc.
LiteTouch	Rainin Instrument Co., Inc.
Little Nicky	Array Medical
Little Shot	Boekel Scientific
LIVE/DEAD	Thermo Fisher Scientific
LiveBLAzer	Thermo Fisher Scientific
LiveCell	Molecular Cytomics Inc.
LIZ	Thermo Fisher Scientific
Lizard	Spellbound Development Group, Inc.
Llbean	L.L. Bean
LMW	Triangle Biomedical
Load and Lock	Ziamatic Corporation
Load 'n GLO	Mirus Corporation
LOCATE	R-Biopharm Rhone, Ltd.
Locator	Thermo Fisher Scientific
Locator Plus	Thermo Fisher Scientific
Lock-A-Lens	Aearo Technologies
Lockin' Arm	American Allsafe Co.
LockSafe	Tennessee Mat Company, Inc.
Lockview	CompX Security Products
LockWell	Thermo Fisher Scientific
Loctagon	Wheaton
Loctite	Loctite Corporation
Lo-Dose	BD (Becton, Dickinson and Company)
Logal	Riverdeep Interactive Learning Limited
Logger Pro	Vernier Software & Technology LLC
Logger Lite	Vernier Software & Technology LLC
Logger-Trac	Control Company
Logic	Labconco
Logic+	Labconco
LogR	Thermo Fisher Scientific
LogStraight	Mettler Toledo
Lok-Kit II	Curtis Computer Products
Lok-Tor	Milwaukee Electric Tool
Lollipop	Control Co.
Lon	Echelon Corporation
Loncet	Tecnol, Inc.
Long Ranger	BioWhittaker Molecular Applications
Long-Length	Oak Technical Inc.
Longlife	Spectronics Corporation
LongLine	Phoenix Medical Technology
LongSAGE	Genzyme Corporation
LonMaker	Echelon Corporation
LonMark	Echelon Corporation
Lontalk	Echelon Corporation
LonWorks	Echelon Corporation
Looney Tunes	Time Warner Entertainment Company
LoopMop	Micronova Manufacturing
LopHene	Decon Laboratories
Loprodyne	Pall Corporation
Lotion Soft	Steris Corporation
Lotus	Lotus Development
Loudmouth	Earmark Inc.
Lovibond	Tintometer Ltd.
Low Maintenance Triode	Thermo Fisher Scientific
LOWOX	Agilent Technologies, Inc.
Low Pro	American Allsafe Co.
Lowboy	Thermo Fisher Scientific
Lowboys	LowBoy
LpH	Steris Corporation
LSI	Abbott Molecular
LSIVET	Thermo Fisher Scientific
LSM	Organon Teknika B.V.
LSRFortessa	Becton, Dickenson and Company
LTF	Quidel Corporation
LTM	Agilent Technologies, Inc.
LTQ	Thermo Fisher Scientific
LTQ Orbitrap	Thermo Fisher Scientific
LTQ ORBITRAP DISCOVERY	Thermo Fisher Scientific
LTQ ORBITRAP ETD	Thermo Fisher Scientific
LTQ Orbitrap Velos	Thermo Fisher Scientific
LTQ ORBITRAP XL	Thermo Fisher Scientific
LTQ Velos	Thermo Fisher Scientific
LTQ XL	Thermo Fisher Scientific
LTS	Rainin Instrument Co., Inc.
Lubri-Flo	Gerresheimer Glass Inc.
Lubriseal	Thomas Scientific
Luciferin-EF	Promega Corporation
Lucite	Lucite International
LucLite	Packard Instrument Co.
LUC-SCREEN	Thermo Fisher Scientific
Ludox	E.I. duPont de Nemours
Luer-Lok	BD (Becton, Dickinson and Company)
Lumarod	Brock Optical, Inc.
LumAvidin	Luminex Corporation
Lumi/Kit	Fotodyne
LumiDome	Carson Optical
Lumigen	Lumigen, Inc.
LumiGLO	KPL, Inc.
LumiGLO Reserve	KPL, Inc.
Lumi-Imager	Roche/Boehringer-Mannheim
LumiLoupe	Carson Optical
LUMINA	Thermo Fisher Scientific
Luminal	Abbott Labs
Luminaris	Thermo Fisher Scientific
Luminex	Luminex Corporation
Luminex 100	Luminex Corporation
Luminex 100/200	Luminex Corporation
Luminex 200	Luminex Corporation
Luminex SD	Luminex Corporation
Luminex XYP	Luminex Corporation
Luminox	Alconox
LumiNunc	Thermo Fisher Scientific
Lumio	Thermo Fisher Scientific
Lumi-Phos	Lumigen
LUMIS	Thermo Fisher Scientific
LUMItest	Thermo Fisher Scientific
LUM-T	Charm Science
Luna	Phenomenex Inc.
Lux	Lux Scientific, Inc.
Luxeon	Streamlight, Inc.
LV40	Thermo Fisher Scientific
LVI	Wheaton Inc.
LV-MAX	Thermo Fisher Scientific
LxT	Kimberly-Clark Corporation
LxTech	Safeskin Corporation
Lycra	Koch Industries
LYFO DISK	Microbiologics
LyfoCults	Quality Technologies, LLC
Lymphoprep	Axis-Shield PoC AS
LymphoSep	MP Biomedicals
Lynx	Thermo Fisher Scientific
Lynx	Merk Millipore Corporation
Lyph-Lock	Labconco
LyphoCells	Edvotek
LyphoProteins	Edvotek
LyphoSample	Edvotek, Inc.
LYSE AND GO	Thermo Fisher Scientific
Lyse S	Coulter International Corporation
Lysol	Lehn & Fink Products Corporation
LysoSensor	Thermo Fisher Scientific
LYSOTRACKER	Thermo Fisher Scientific
LYSYS	BD (Becton, Dickinson and Company)
Lytening	Baxter Healthcare
LyticBLAzer	Thermo Fisher Scientific