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Warren W. Howland
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Brooklyn Center, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Device and method for iontophoretic drug delivery
Patent number
5,558,633
Issue date
Sep 24, 1996
Medtronic, Inc.
Joseph B. Phipps
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Amphoteric N-substituted acrylamide hydrogel and method
Patent number
5,525,356
Issue date
Jun 11, 1996
Medtronic, Inc.
Allan H. Jevne
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Device and method for iontophoretic drug delivery
Patent number
5,423,739
Issue date
Jun 13, 1995
ALZA Corporation
Joseph B. Phipps
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Thromboresistant material and articles
Patent number
5,278,200
Issue date
Jan 11, 1994
Medtronic, Inc.
Arthur J. Coury
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Thickened alcoholic antimicrobial compositions
Patent number
4,695,453
Issue date
Sep 22, 1987
Henkel Corporation
Francis W. Tuominen
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Use of etherified polygalactomannan gums as carbonaceous slurry sta...
Patent number
4,692,169
Issue date
Sep 8, 1987
Henkel Corp.
Warren W. Howland
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thickeners having two ionic components and use thereof in aqueous c...
Patent number
4,655,943
Issue date
Apr 7, 1987
Henkel Corporation
Lyle F. Elmquist
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...