Individual holder
CURTIS DOUGLAS R
3 granted patents·48 citations·filing 1975–1992
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0177US4004141ALinear/logarithmic analog multiplierCURTIS DOUGLAS R·Filed 1975·Granted Jan 18, 1977·26 cites·28 claims
- 0265US4514704AVariable filter circuitCURTIS DOUGLAS R·Filed 1983·Granted Apr 30, 1985·15 cites·20 claims
- 0337US5214321AAnalog multiplier/divider utilizing substrate bipolar transistorsCURTIS DOUGLAS R·Filed 1992·Granted May 25, 1993·7 cites·26 claims
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