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James William O'Brien
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Alpharetta, GA, US
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Patents Grants
last 30 patents
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Patent Grant
Developer module with electromagnetic shutter
Patent number
5,563,689
Issue date
Oct 8, 1996
T/R Systems
E. Neal Tompkins
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
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Patent Application
Tamper resistant audio sound level detector and informative device
Publication number
20080144838
Publication date
Jun 19, 2008
Janet S. Raines
H04 - ELECTRIC COMMUNICATION TECHNIQUE