Inventor · disambiguated record
Richard W. Duggins
Also filed as: DUGGINS RICHARD W · DUGGINS RICHARD WAYNE
4 granted patents·48 citations·filing 1977–1979
75Inventor score
Top patents by PatentIndex Score
4 records- 0160US4233736APressure sensitive picture frame mat opening cutterFRAMEWORK INC·Filed 1979·Granted Nov 18, 1980·19 cites·8 claims
- 0249US4176452APicture frame mat opening cutterFRAMEWORKS INC·Filed 1978·Granted Dec 4, 1979·17 cites·14 claims
- 0341US4219061AMiter chopper attachment for measuring picture frame moldingS & W FRAMING SUPPLIES·Filed 1978·Granted Aug 26, 1980·10 cites·7 claims
- 0426US4121343APicture frame mat opening markerFRAMEWORKS INC·Filed 1977·Granted Oct 24, 1978·2 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Richard W. Duggins 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 →