Inventor · disambiguated record
Albert G. Nilssen
Also filed as: HERMANSON SPENCER L · NILSSEN ALBERT G
3 granted patents·41 citations·filing 1974–1980
71Inventor score
Technology areasH04Q
Top patents by PatentIndex Score
3 records- 0173US4219699ATelephone supervision system using DTMF signalsWESCOM·Filed 1978·Granted Aug 26, 1980·14 cites·18 claims
- 0264US4313038ADTMF Signal receiverWESCOM·Filed 1980·Granted Jan 26, 1982·16 cites·3 claims
- 0352US3959603ADual tone multiple frequency receiver/decoderTONE TECHNOLOGY CORP·Filed 1974·Granted May 25, 1976·11 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when Albert G. Nilssen 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 →