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Frederick Martin
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Menlo Park, CA, US
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last 30 patents
Information
Patent Grant
Narrow bandpass reflective optical filter
Patent number
5,124,859
Issue date
Jun 23, 1992
GTE Government Systems Corporation
Frederick Martin
G02 - OPTICS
Information
Patent Grant
Tracking telescope using an atomic resonance filter
Patent number
5,079,414
Issue date
Jan 7, 1992
GTE Government Systems Corporation
Frederick Martin
G01 - MEASURING TESTING
Information
Patent Grant
Non-imaging optical detector with variable field-view
Patent number
5,052,804
Issue date
Oct 1, 1991
GTE Government System Corporation
Frederick Martin
G01 - MEASURING TESTING
Information
Patent Grant
Secure two-way submarine communication system
Patent number
5,038,406
Issue date
Aug 6, 1991
GTE Goverment Systems Corporation
Paul J. Titterton
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Secure two-way communications with submerged submarines
Patent number
4,995,101
Issue date
Feb 19, 1991
GTE Government Systems Corporation
Paul J. Titterton
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System for analyzing laser beam profiles
Patent number
4,760,537
Issue date
Jul 26, 1988
GTE Government Systems Corporation
Frederick Martin
G01 - MEASURING TESTING