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Doppler signal processing circuitry
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Patent number 4,647,874
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Issue date Mar 3, 1987
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The United States of America as represented by the Secretary of the Army
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Otto E. Rittenbach
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G01 - MEASURING TESTING
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Radar target angle measuring system
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Patent number 4,430,655
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Issue date Feb 7, 1984
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The United States of America as represented by the Secretary of the Army
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Otto E. Rittenbach
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G01 - MEASURING TESTING
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Frequency discriminator
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Patent number 4,426,622
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Issue date Jan 17, 1984
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The United States of America as represented by the Secretary of the Army
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Otto E. Rittenbach
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H03 - BASIC ELECTRONIC CIRCUITRY
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Electronic intruder detection system
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Patent number 4,400,695
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Issue date Aug 23, 1983
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The United States of America as represented by the Secretary of the Army
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Otto E. Rittenbach
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G08 - SIGNALLING
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Harmonic generator
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Patent number 4,398,153
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Issue date Aug 9, 1983
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The United States of America as represented by the Secretary of the Army
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Otto E. Rittenbach
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H03 - BASIC ELECTRONIC CIRCUITRY
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Radar antenna system
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Patent number 4,378,559
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Issue date Mar 29, 1983
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The United States of America as represented by the Secretary of the Army
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Otto E. Rittenbach
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H01 - BASIC ELECTRIC ELEMENTS
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Electronic intruder detection system
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Patent number 4,326,272
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Issue date Apr 20, 1982
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The United States of America as represented by the Secretary of the Army
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Otto E. Rittenbach
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G08 - SIGNALLING
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Signal processing system
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Patent number 4,292,635
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Issue date Sep 29, 1981
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The United States of America as represented by the Secretary of the Army
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Otto E. Rittenbach
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G01 - MEASURING TESTING
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Range-gated pulse doppler radar system
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Patent number 4,219,812
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Issue date Aug 26, 1980
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The United States of America as represented by the Secretary of the Army
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Otto E. Rittenbach
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G01 - MEASURING TESTING
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Dual frequency Doppler radar
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Patent number 4,217,585
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Issue date Aug 12, 1980
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The United States of America as represented by the Secretary of the Army
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William Fishbein
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G01 - MEASURING TESTING
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Electronic intruder detection system
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Patent number 4,187,501
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Issue date Feb 5, 1980
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The United States of America as represented by the Secretary of the Army
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Reinhard G. Olesch
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G08 - SIGNALLING
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Continuous wave correlation radar system
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Patent number 4,078,234
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Issue date Mar 7, 1978
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The United States of America as represented by the Secretary of the Army
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William Fishbein
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G01 - MEASURING TESTING
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Doppler radar system
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Patent number 4,041,488
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Issue date Aug 9, 1977
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The United States of America as represented by the Department of the Army
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William Fishbein
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G01 - MEASURING TESTING
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