Inventor · disambiguated record
Robert E. Doughty
Also filed as: DOUGHTY ROBERT E
4 granted patents·124 citations·filing 1987–2001
80Inventor score
Technology areasB62B
Files withDOUGHTY ROBERT E2
Top patents by PatentIndex Score
4 records- 0167US4840388AGrocery cartDOUGHTY ROBERT E·Filed 1987·Granted Jun 20, 1989·43 cites·11 claims
- 0262US6481540B1Cart brake release handleFiled 2001·Granted Nov 19, 2002·18 cites·25 claims
- 0361US5090517ABraking system for a grocery cart or the likeDOUGHTY ROBERT E·Filed 1990·Granted Feb 25, 1992·39 cites·13 claims
- 0445US6123343ACart braking mechanismFiled 1997·Granted Sep 26, 2000·24 cites·27 claims
Join the waitlist — get patent alerts
Get an alert when Robert E. Doughty 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 →