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John A. Cipher
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Garland, TX, US
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last 30 patents
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Patent Grant
Phase lock loop AM/FM receiver
Patent number
3,976,943
Issue date
Aug 24, 1976
Texas Instruments Incorporated
John A. Cipher
H03 - BASIC ELECTRONIC CIRCUITRY
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Patent Grant
Digital tuning method and system
Patent number
3,942,121
Issue date
Mar 2, 1976
Texas Instruments Incorporated
David B. Bell
H03 - BASIC ELECTRONIC CIRCUITRY