Inventor · disambiguated record
Robert C. Beals
Also filed as: BEALS ROBERT C
4 granted patents·93 citations·filing 1976–1991
77Inventor score
Top patents by PatentIndex Score
4 records- 0194US5159139ADrumhead with overtone suppressionEVANS PRODUCTS INC·Filed 1990·Granted Oct 27, 1992·60 cites·26 claims
- 0266US5107741AMuffler for bass drumsEVANS PRODUCTS INC·Filed 1991·Granted Apr 28, 1992·20 cites·20 claims
- 0345US4779508ADrumhead constructionEVANS PRODUCTS INC·Filed 1987·Granted Oct 25, 1988·11 cites·18 claims
- 0438US4096501APhotographic cassette with forward cutout portions to eliminate localized unwanted image areasPOLAROID CORP·Filed 1976·Granted Jun 20, 1978·2 cites·2 claims
Join the waitlist — get patent alerts
Get an alert when Robert C. Beals 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 →