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John Newman
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Mission Viejo, CA, US
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last 30 patents
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Patent Grant
Interface for liquid crystal display retract device
Patent number
5,910,814
Issue date
Jun 8, 1999
Sony Corporation
John Portman
B64 - AIRCRAFT AVIATION COSMONAUTICS
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Patent Grant
Apparatus for automatically terminating a signal
Patent number
5,704,798
Issue date
Jan 6, 1998
Sony Corporation
John R. Portman
H01 - BASIC ELECTRIC ELEMENTS