Inventor · disambiguated record
Frank C. Donofrio
Also filed as: DONOFRIO FRANK C · DONOFRIO FRANK CARL · DONOFRIO SR FRANK C
4 granted patents·136 citations·filing 1976–1992
80Inventor score
Top patents by PatentIndex Score
4 records- 0176US5228689AGolf club with loft adjusting meansDONOFRIO SR FRANK C·Filed 1992·Granted Jul 20, 1993·67 cites·3 claims
- 0273US4091246AEncryption device interlockBURROUGHS CORP·Filed 1977·Granted May 23, 1978·35 cites·9 claims
- 0361US4243890AIsolator/switching assembly for data processing terminalMILLER BRUCE J·Filed 1976·Granted Jan 6, 1981·27 cites·9 claims
- 0457USD253533SData entry terminalBURROUGHS CORP·Filed 1977·Granted Nov 27, 1979·7 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Frank C. Donofrio 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 →