Inventor · disambiguated record
Donald R. Buttle
Also filed as: BUTTLE DONALD R
5 granted patents·143 citations·filing 1984–1996
83Inventor score
Top patents by PatentIndex Score
5 records- 0186US5417145AControl apparatus and method for coffee grinder and brewerNAT CONTROLS CORP·Filed 1993·Granted May 23, 1995·64 cites·12 claims
- 0263US5660336AControl apparatus and method for coffee grinder and brewerNAT CONTROLS CORP·Filed 1996·Granted Aug 26, 1997·33 cites·2 claims
- 0357US5285705AContinuous acting moisture prevention and cleaning valveGRINDMASTER CORP·Filed 1993·Granted Feb 15, 1994·28 cites·9 claims
- 0451US4721957AGround shift compensated parameter measurement systemTRW INC·Filed 1984·Granted Jan 26, 1988·12 cites·10 claims
- 0531US5662955ACalibration method and apparatus for coffee grinder and brewerNAT CONTROLS CORP·Filed 1995·Granted Sep 2, 1997·6 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when Donald R. Buttle 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 →