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Carl G. Powell
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Putnam Valley, NY, US
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Patents Grants
last 30 patents
Information
Patent Grant
Compact optical system and packaging for head mounted display
Patent number
8,289,231
Issue date
Oct 16, 2012
International Business Machines Corporation
Russell A. Budd
G02 - OPTICS
Information
Patent Grant
Compact optical system and packaging for head mounted display
Patent number
6,747,611
Issue date
Jun 8, 2004
International Business Machines Corporation
Russell A. Budd
G02 - OPTICS
Information
Patent Grant
Error propagated image halftoning with time-varying phase shift
Patent number
5,254,982
Issue date
Oct 19, 1993
International Business Machines Corporation
Ronald I. Feigenblatt
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Patent Grant
Complex character generator
Patent number
4,286,329
Issue date
Aug 25, 1981
International Business Machines Corporation
Gerald Goertzel
G06 - COMPUTING CALCULATING COUNTING
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Patent Grant
Coupler for coupling optical energy transmitted by optical fiber to...
Patent number
3,967,877
Issue date
Jul 6, 1976
International Business Machines (IBM)
Paul F. Heidrich
G02 - OPTICS
Patents Applications
last 30 patents
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Patent Application
Compact optical system and packaging for head mounted display
Publication number
20050219152
Publication date
Oct 6, 2005
International Business Machines Corporation
Russell A. Budd
G02 - OPTICS