Inventor · disambiguated record

Donald R. Duff

Also filed as: DUFF DONALD R

2 granted patents·50 citations·filing 1976–1976

63Inventor score

Technology areasG04F G04G

Files withFAIRCHILD CAMERA INSTR CO2

Top patents by PatentIndex Score

2 records

0183US4141209ACrystal controlled oscillator and method of tuning sameFAIRCHILD CAMERA INSTR CO·Filed 1976·Granted Feb 27, 1979·40 cites·2 claims
0256US4068462AFrequency adjustment circuitFAIRCHILD CAMERA INSTR CO·Filed 1976·Granted Jan 17, 1978·10 cites·8 claims

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Donald R. Duff — Patent Inventor | PatentIndex