Inventor · disambiguated record
Roger A. Frost
Also filed as: FROST ROGER A
3 granted patents·43 citations·filing 1985–1991
71Inventor score
Files withBAMFORD EXCAVATORS LTD3
Top patents by PatentIndex Score
3 records- 0157US4669947AEarth moving implementBAMFORD EXCAVATORS LTD·Filed 1985·Granted Jun 2, 1987·22 cites·9 claims
- 0250US4917204AMaterials handling vehicleBAMFORD EXCAVATORS LTD·Filed 1988·Granted Apr 17, 1990·15 cites·13 claims
- 0327US5139105AFour wheel steering vehicle with valve position retaining meansBAMFORD EXCAVATORS LTD·Filed 1991·Granted Aug 18, 1992·6 cites·26 claims
Join the waitlist — get patent alerts
Get an alert when Roger A. Frost 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 →