SP

Serge L. Proulx

📍 Vaudreuil-Dorion, CA: #39 of 77 inventorsTop 55%
Overall (All Time): #3,877,668 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5020567 Drainage valve having a flexible flap with an edge taper — 1991-06-04