Inventor · disambiguated record
Charles E. Grimes
Also filed as: GRIMES CHARLES E
3 granted patents·199 citations·filing 1984–1986
77Inventor score
Files withTENNANT CO3
Top patents by PatentIndex Score
3 records- 0193US4675935AControl and monitor for a floor maintenance deviceTENNANT CO·Filed 1986·Granted Jun 30, 1987·130 cites·21 claims
- 0285US4634403ABelt driveTENNANT CO·Filed 1985·Granted Jan 6, 1987·41 cites·18 claims
- 0368US4615070ASweeper with speed control for brush and vacuum fanTENNANT CO·Filed 1984·Granted Oct 7, 1986·28 cites·27 claims
Join the waitlist — get patent alerts
Get an alert when Charles E. Grimes 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 →