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Leonid Shapiro
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Lakeside, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Microlens imbedded liquid crystal projection panel including therma...
Patent number
5,815,229
Issue date
Sep 29, 1998
Proxima Corporation
Leonid Shapiro
G02 - OPTICS
Information
Patent Grant
Ferroelectric liquid crystal display apparatus and method of making it
Patent number
5,717,418
Issue date
Feb 10, 1998
Proxima Corporation
Leonid Shapiro
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Liquid crystal projection panel construction and method of making same
Patent number
5,606,436
Issue date
Feb 25, 1997
Proxima Corporation
Leonid Shapiro
G02 - OPTICS
Information
Patent Grant
Image projection system and method of using same
Patent number
5,517,263
Issue date
May 14, 1996
Proxima Corporation
Arthur P. Minich
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical input arrangement and method of using same
Patent number
5,504,501
Issue date
Apr 2, 1996
Proxima Corporation
Lane T. Hauck
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for calibrating an optical computer input system
Patent number
5,489,923
Issue date
Feb 6, 1996
Proxima Corporation
Roger N. Marshall
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Low profile liquid crystal projector and method of using same
Patent number
5,453,803
Issue date
Sep 26, 1995
Proxima Corporation
Leonid Shapiro
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Low profile liquid crystal projector and method of using same
Patent number
5,321,450
Issue date
Jun 14, 1994
Proxima Corporation
Leonid Shapiro
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Stacked display panel construction and method of making same
Patent number
5,302,946
Issue date
Apr 12, 1994
Leonid Shapiro
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Video display system and method of using same
Patent number
5,300,944
Issue date
Apr 5, 1994
Proxima Corporation
Leonid Shapiro
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Stacked display panel construction and method of making same
Patent number
5,298,892
Issue date
Mar 29, 1994
Proxima Corporation
Leonid Shapiro
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Television signal projection system and method of using same
Patent number
5,276,436
Issue date
Jan 4, 1994
Proxima Corporation
Robert W. Shaw
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
High speed color display system and method of using same
Patent number
5,225,875
Issue date
Jul 6, 1993
Proxima Corporation
Leonid Shapiro
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Method and apparatus for calibrating an optical computer input system
Patent number
5,181,015
Issue date
Jan 19, 1993
Proxima Corporation
Roger N. Marshall
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Stacked display panel construction and method of making same
Patent number
5,089,810
Issue date
Feb 18, 1992
Computer Accessories Corporation
Leonid Shapiro
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Gray scale system for visual displays
Patent number
5,062,001
Issue date
Oct 29, 1991
Proxima Corporation
Randall S. Farwell
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS