SL

Simpson Lee

📍 Pingtung City, TW: #54 of 233 inventorsTop 25%
Overall (All Time): #1,657,141 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5219372 Door accessory with a hydraulic retarding device — 1993-06-15
5195210 Hydraulic door hinge — 1993-03-23
5031270 Friction hinge — 1991-07-16