Trademark	Trademark Holder
Kalrez	E.I. duPont de Nemours
Kangaroo	Control Co.
Kanigen	General American Transportation
Kanthal	Kanthal Group
Kantleke	Able Metal Hose
Kapak	Kapak Corporation
Kappler	Kappler USA
Kapseals	Warner-Lambert Co.
Kaptclean	Berlin Packaging
Kapton	E.I. duPont de Nemours
Kareta M	Draeger Safety
Karl Fischer	Karl Fischer GmbH
KaryoMAX	Thermo Fisher Scientific
KARYOSTAT	Thermo Fisher Scientific
K-ASSAY	Kamiya Biomedical Company
Kathon	Rohm and Haas
Kaydry	Kimberly-Clark Corporation
Kaydry Ex-L	Kimberly-Clark Corporation
KC1Δ	Trinity Biotech
KC4Δ	Trinity Biotech
KDALERT	Thermo Fisher Scientific
KeepIT	Wheaton
KeepIT-100	Wheaton
Kel-F	3M Company
Kem-Kit	Kimble Kontes
Kemtec	Aquaphoenix
Kena	Ken-A-Vision Manufacturing Company, Inc
Ken-A-Vision	Ken-A-Vision Mfg. Co.
Kendall	Tyco Healthcare Group LP
Kendro	Thermo Fisher Scientific
Kenwood	Kabushiki Kaisha Kenwood
Keprotec	Schoeller Textil AG
Keto-diastix	Bayer Corporation
KetoSite	GDS Technology, Inc.
Ketostix	Bayer Corporation
KEV	TOWA Corporation
Kevlar	E.I. duPont de Nemours
KEYTEK	Thermo Fisher Scientific
Kidde	Walter Kidde
Kik-Step	Cramer Industries
KilobaseBINDER	Thermo Fisher Scientific
KILORAD PTZ	Thermo Fisher Scientific
Kimax	Gerresheimer Glass Inc.
Kimax-51	Gerresheimer Glass Inc.
Kimberly-Clark	Kimberly-Clark Corporation
Kimberly-Clark Professional	Kimberly-Clark Corporation
Kimble	Gerresheimer Glass Inc.
Kimcare	Kimberly-Clark Corporation
KimCote	Kimble Chase
Kimguard	Kimberly-Clark Corporation
KimKap	Gerresheimer Glass Inc.
KIM-LOK	Thermo Fisher Scientific
KIM-SNAP	Thermo Fisher Scientific
KIMTECH	Kimberly-Clark Corporation
Kimtech Prep	Kimberly-Clark Corporation
Kimtech Pure	Kimberly-Clark Corporation
Kimtech Science	Kimberly-Clark Corporation
Kimtex	Kimberly-Clark Corporation
Kimtowels	Kimberly-Clark Corporation
Kimwear	Kimberly-Clark Corporation
Kimwipes	Kimberly-Clark Corporation
Kinase-Glo	Promega Corporation
KinaseMax	Thermo Fisher Scientific
Kindest Kare	Steris Corporation
Kindle	Amazon Technologies, Inc.
Kindle Fire	Amazon Technologies, Inc.
KINEMATICA/POLYTRON	Brinkmann Instruments
King Pelican Lite	Pelican Products
KingFisher	Thermo Fisher Scientific
Kip	Kip Incorporated
Kjel-Sorb	Fisher Scientific
Kjeltab	Foss A/S
Kjeltec	Foss A/S
Klean-AR	Avantor Performance Materials, Inc.
KlearInk	Sirchie Finger Print Laboratories
Klebosol	Societe Francaise Hoechst
Kleenex	Kimberly-Clark Corporation
KleenGuard	Kimberly-Clark Corporation
KleenGuard Extra	Kimberly-Clark Corporation
Kleenpak	Pall Corporation
Kling	Johnson & Johnson
Klinipath	Mercedes Medical
Klopman	Burlington Industries
Knauer	KNAUER
K'Nex	K'Nex Limited Partnership Group
K'Nex Education	K'Nex Limited Partnership Group
KNF	KNF Neuberger
KNF LAB	KNF Neuberger
Knifetec	Foss A/S
KNIpHE	Thermo Fisher Scientific
Knockdown	National Foam Inc.
KnockOut	Thermo Fisher Scientific
Know Your Air	Imaging & Sensing Technology Corporation
KnowBody	Denoyer-Geppert
KoaguLab	Johnson & Johnson
Kodachrome	Eastman Kodak Co.
Kodak	Carestream Health Inc.
Koehler	Koehler-Bright Star, Inc.
KO-LEC-PAC	ICLS Acquisition Company
Kollect-A-Kem	JV Manufacturing
KolorSafe	JV Manufacturing
Kombiscreen	Kontes Glass
Kombi-Screen QL	Kontes Glass
KomfortGuard	Kimberly-Clark Corporation
KONELAB	Thermo Fisher Scientific
Konica	Konica Corporation
Kontes	Kimble Kontes
Kontron	Kontron Instruments
Kool-Grip	Guth Products Co.
Kooljacket	MicroClimate Systems
KoreKooler	Morning Pride Manufacturing
Kor-It	Richard Sandler
Koroseal	RJF International
KOVA	Kova International Inc.
Kovar	CRS Holdings
KOVA-Trol	Kova International Inc.
KP-C18-HS	Biotage
KP-NH	Biotage
K-Prime	Merck KGaA
KP-Sil	Biotage
K-Resin	Phillips Petroleum Co.
Kresto	Stockhausen GmbH & Co.
Krios	Thermo Fisher Scientific
Krisscross	Ansell
Kroflex	Mapa Pioneer
Kromasil	AKZO Nobel
Krome Orange	Beckman Coulter, Inc.
KrudKatcher	Phenomenex, Inc.
Kryptofix	Merck KGaA
Krypton	Thermo Fisher Scientific
KRYPTOR	CIS bio international
Krytech	Mapa Pioneer
Krytox	E.I. duPont de Nemours
KSR	Ansell
K-STIM	BD (Becton, Dickinson and Company)
Kut-Gard	PIP
Kwik-Diff	PHC Holding Corporation
Kwik-Klip	Willson
KWIK-STIK	Microbiologics
Kwik-Wipes	Stockhausen GmbH & Co.
Kynar	Elf Atochem North America, Inc.
Kynar	Penn Walt Corporation