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Jeffrey K. Fergason
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Menlo Park, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for adjusting optical device to correspond to...
Patent number
6,554,428
Issue date
Apr 29, 2003
i-O Display Systems LLC
Jeffrey K. Fergason
G02 - OPTICS
Information
Patent Grant
Helmet with high performance head and face protection utilizing mol...
Patent number
5,857,215
Issue date
Jan 12, 1999
Ilixco, Inc.
Jeffrey K. Fergason
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Helmet with high performance head and face protection utilizing com...
Patent number
5,749,096
Issue date
May 12, 1998
Ilixco, Inc.
Jeffrey K. Fergason
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Liquid crystal lens driver electronics for eye protection, high spe...
Patent number
5,751,258
Issue date
May 12, 1998
OSD Envizion, Inc.
Jeffrey K. Fergason
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Eye protection device for welding helmets and the like with hot mir...
Patent number
5,519,522
Issue date
May 21, 1996
Jeffrey K. Fergason
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Eye protection device for welding helmets which reduces obliquely i...
Patent number
5,515,186
Issue date
May 7, 1996
OSD Envizion Company
Jeffrey K. Fergason
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Electro-optic light shutter and frame assembly with integrated swit...
Patent number
5,377,032
Issue date
Dec 27, 1994
OSD Envizion Company
Jeffrey K. Fergason
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Welding lens assembly
Patent number
D353692
Issue date
Dec 20, 1994
OSD Envizion Company
John D. Fergason
D29 - Equipment for safety, protection, and rescue
Information
Patent Grant
Detector system for detecting the occurrence of welding using detec...
Patent number
5,252,817
Issue date
Oct 12, 1993
OSD Envizion Company
John D. Fergason
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Eye protection device for welding helmets
Patent number
5,208,688
Issue date
May 4, 1993
OSD Envizion Company
John D. Fergason
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Liquid crystal lens assembly for eye protection
Patent number
5,074,647
Issue date
Dec 24, 1991
Optical Shields, Inc.
Jeffrey K. Fergason
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
DUAL SOURCE BACKLIGHT UNIT FOR USE WITH A DISPLAY, A DISPLAY SYSTEM...
Publication number
20110267382
Publication date
Nov 3, 2011
Fergason Patent Properties, LLC
Jeffrey FERGASON
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Stereo 3D Viewer
Publication number
20040075734
Publication date
Apr 22, 2004
Vincent E. Robinson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
2D to 3D stereo plug-ins
Publication number
20030090482
Publication date
May 15, 2003
Armand M. Rousso
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method and apparatus for adjusting optical device to correspond to...
Publication number
20020047990
Publication date
Apr 25, 2002
Jeffrey K. Fergason
G02 - OPTICS