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Transducer array crossover network
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Patent number 4,387,352
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Issue date Jun 7, 1983
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The United States of America as represented by the Secretary of the Navy
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Claude C. Routh
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Sonar target simulator
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Patent number 4,219,885
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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 Navy
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Claude C. Routh
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Submarine simulating sonar beacon
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Patent number 4,198,703
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Issue date Apr 15, 1980
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The United States of America as represented by the Secretary of the Navy
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Peter Huisveld
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F41 - WEAPONS
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Driver for reactive load
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Patent number 4,105,941
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Issue date Aug 8, 1978
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The United States of America as represented by the Secretary of the Navy
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Claude C. Routh
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H03 - BASIC ELECTRONIC CIRCUITRY
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