Inventor · disambiguated record
Robert M. Berdahl
Also filed as: BERDAHL ROBERT M
3 granted patents·157 citations·filing 1986–1989
77Inventor score
Files withTENNANT CO3
Top patents by PatentIndex Score
3 records- 0188US5044043ASpeed and steering control for a floor maintenance machineTENNANT CO·Filed 1989·Granted Sep 3, 1991·76 cites·3 claims
- 0281US4825500ASpeed and steering control for a floor maintenance machineTENNANT CO·Filed 1987·Granted May 2, 1989·34 cites·1 claims
- 0381US4709771ASpeed and steering control for a floor maintenance machineTENNANT CO·Filed 1986·Granted Dec 1, 1987·47 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when Robert M. Berdahl 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 →