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Signal bandpass filter apparatus
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Patent number RE30394
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Issue date Sep 2, 1980
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Westinghouse Electric Corp.
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Arun P. Sahasrabudhe
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333 - Wave transmission lines and networks
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Signal bandpass filter apparatus
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Patent number 4,016,517
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Issue date Apr 5, 1977
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Westinghouse Electric Corporation
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Arun P. Sahasrabudhe
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H03 - BASIC ELECTRONIC CIRCUITRY
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Multi-channel signal decoder
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Patent number 4,015,082
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Issue date Mar 29, 1977
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Westinghouse Electric Corporation
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Thomas C. Matty
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Quad state receiver
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Patent number 3,966,149
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Issue date Jun 29, 1976
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Westinghouse Electric Corporation
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Thomas C. Matty
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B61 - RAILWAYS