Sidney Feldman

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Silver Spring, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Passive optical rangefinder/sextant having search capability
- Patent number 4,413,906
- Issue date Nov 8, 1983
- The United States of America as represented by the Secretary of the Navy
- Sidney Feldman
- G01 - MEASURING TESTING
Information Patent Grant
Passive optical rangefinder-sextant
- Patent number 4,162,124
- Issue date Jul 24, 1979
- The United States of America as represented by the Secretary of the Navy
- Sidney Feldman
- G01 - MEASURING TESTING
Information Patent Grant
Passive optical rangefinder
- Patent number 4,009,960
- Issue date Mar 1, 1977
- United States of America as represented by the Secretary of the Navy
- Sidney Feldman
- G01 - MEASURING TESTING
Information Patent Grant
Remote controlled, CRT digital display, LLLTV camera-sextant
- Patent number 3,985,446
- Issue date Oct 12, 1976
- The United States of America as represented by the Secretary of the Navy
- Sidney Feldman
- G01 - MEASURING TESTING