Inventor · disambiguated record
James R. Darwood
Also filed as: DARWOOD JAMES R
6 granted patents·58 citations·filing 1974–1976
82Inventor score
Top patents by PatentIndex Score
6 records- 0176US4066848ATelephone ring detector circuitT A D·Filed 1976·Granted Jan 3, 1978·23 cites·7 claims
- 0257US4005270ARemote control for operating a telephone answering system from a remote point over the telephone lineTAD AVANTI·Filed 1975·Granted Jan 25, 1977·9 cites·4 claims
- 0354US3979560ATelephone answering system with ring detectorTAD AVANTI·Filed 1975·Granted Sep 7, 1976·8 cites·3 claims
- 0453US3968329ATelephone answering apparatusTAD AVANTI·Filed 1975·Granted Jul 6, 1976·7 cites·9 claims
- 0546US3991274ATelephone answering system with one responsive circuit for remote playback controlDARWOOD JAMES R·Filed 1975·Granted Nov 9, 1976·7 cites·3 claims
- 0637US3959591ATelephone answering apparatusTAD AVANTI·Filed 1974·Granted May 25, 1976·4 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when James R. Darwood files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →