Assignee
LEE SIMPSON
TW·3 granted patents·76 citations·filing 1990–1992
Top patents by PatentIndex Score
3 records- 0164US5031270AFriction hingeLEE SIMPSON·Filed 1990·Granted Jul 16, 1991·37 cites·11 claims
- 0250US5195210AHydraulic door hingeLEE SIMPSON·Filed 1992·Granted Mar 23, 1993·23 cites·13 claims
- 0340US5219372ADoor accessory with a hydraulic retarding deviceLEE SIMPSON·Filed 1992·Granted Jun 15, 1993·16 cites·15 claims
Join the waitlist — get patent alerts
Get an alert when LEE SIMPSON files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →