Inventor · disambiguated record
Ralph M. Duttarer
Also filed as: DUTTARER RALPH M
6 granted patents·62 citations·filing 1974–1980
81Inventor score
Files withCLARK EQUIPMENT CO6
Top patents by PatentIndex Score
6 records- 0191US4339154AVehicle brake systemCLARK EQUIPMENT CO·Filed 1980·Granted Jul 13, 1982·32 cites·10 claims
- 0253US4136909AVehicle moduleCLARK EQUIPMENT CO·Filed 1977·Granted Jan 30, 1979·12 cites·4 claims
- 0342US3954152AVehicle speed controlCLARK EQUIPMENT CO·Filed 1974·Granted May 4, 1976·8 cites·8 claims
- 0439US4116486ARetractable rock guard for a dump truck bodyCLARK EQUIPMENT CO·Filed 1977·Granted Sep 26, 1978·8 cites·3 claims
- 0528US4136892AMethod of connecting vehicle modulesCLARK EQUIPMENT CO·Filed 1977·Granted Jan 30, 1979·2 cites·2 claims
- 0625US4018141AVehicle speed controlCLARK EQUIPMENT CO·Filed 1975·Granted Apr 19, 1977·0 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Ralph M. Duttarer 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 →