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PILKINGTON VISIONCARE HOLDINGS, INC.
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MENLO PARK, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Solution-applied antireflective coatings
Patent number
5,173,368
Issue date
Dec 22, 1992
Pilkington Visioncare Holdings, Inc.
Hector Belmares
G02 - OPTICS
Information
Patent Grant
Color enhancing lens
Patent number
5,149,183
Issue date
Sep 22, 1992
Pilkington Visioncare Holdings, Inc.
Colin M. Perrott
G02 - OPTICS
Information
Patent Grant
Two-layer antireflective coating applied in solution
Patent number
5,104,692
Issue date
Apr 14, 1992
Pilkington Visioncare Holdings, Inc.
Hector Belmares
G02 - OPTICS
Information
Patent Grant
Diffractive ophthalmic lens for correcting astigmatism
Patent number
5,100,226
Issue date
Mar 31, 1992
Pilkington Visioncare Holdings Inc.
Michael H. Freeman
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Abrasion resistant radiation curable coating for polycarbonate article
Patent number
4,954,591
Issue date
Sep 4, 1990
Pilkington Visioncare Holdings, Inc.
Hector Belmares
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for cleaning contact lens with dissolving abradant
Patent number
4,900,366
Issue date
Feb 13, 1990
Pilkington Visioncare Holdings, Inc.
Murray J. Sibley
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Method for tinting hydrophilic plastic articles
Patent number
4,898,695
Issue date
Feb 6, 1990
Pilkington Visioncare Holdings, Inc.
Praful Doshi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Multifocal lens
Patent number
4,806,010
Issue date
Feb 21, 1989
Pilkington Visioncare Holdings, Inc.
Ronald W. Ewer
G02 - OPTICS
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74120624 - INSPIRATIONS
Serial number
74120624
Filing date
Dec 4, 1990
PILKINGTON VISIONCARE HOLDINGS, INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74098471 - CSI
Serial number
74098471
Registration number
1688791
Filing date
Sep 19, 1990
PILKINGTON VISIONCARE HOLDINGS, INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74096044 - SOFT PERM
Serial number
74096044
Registration number
1671626
Filing date
Sep 11, 1990
PILKINGTON VISIONCARE HOLDINGS, INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74069097 - BLUEGARD
Serial number
74069097
Filing date
Jun 14, 1990
PILKINGTON VISIONCARE HOLDINGS, INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74058075 - SIGNATURE
Serial number
74058075
Registration number
1687044
Filing date
May 11, 1990
PILKINGTON VISIONCARE HOLDINGS, INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74046150 - EMPHASIS
Serial number
74046150
Filing date
Apr 5, 1990
PILKINGTON VISIONCARE HOLDINGS, INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
74018120 - FLUOROCON
Serial number
74018120
Filing date
Jan 11, 1990
PILKINGTON VISIONCARE HOLDINGS, INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73788068 - COBURN
Serial number
73788068
Registration number
1594882
Filing date
Mar 20, 1989
PILKINGTON VISIONCARE HOLDINGS, INC.
7 - Machines and machine tools
Information
Trademark
73787576 - COBURN ROCKET
Serial number
73787576
Registration number
1596093
Filing date
Mar 20, 1989
PILKINGTON VISIONCARE HOLDINGS, INC.
7 - Machines and machine tools
Information
Trademark
73773673 - STARCOAT
Serial number
73773673
Registration number
1591350
Filing date
Jan 9, 1989
PILKINGTON VISIONCARE HOLDINGS, INC.
40 - Treatment of materials
Information
Trademark
73773527 - BETTER VISION NEVER LOOKED SO GOOD
Serial number
73773527
Registration number
1591349
Filing date
Jan 9, 1989
PILKINGTON VISIONCARE HOLDINGS, INC.
40 - Treatment of materials
Information
Trademark
73770095 - STARCOAT
Serial number
73770095
Registration number
1590411
Filing date
Dec 19, 1988
PILKINGTON VISIONCARE HOLDINGS, INC.
3 - Bleaching preparations and other substances for laundry use