WS

William T. Sigman

NV NVIDIA: 1 patents #8 of 62Top 15%
📍 Zelienople, PA: #3 of 10 inventorsTop 30%
🗺 Pennsylvania: #989 of 4,367 inventorsTop 25%
Overall (1997): #59,011 of 185,788Top 35%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5643677 Aminoplast/polyurethane wear layer for PVC support surface Joseph P. Feifer, Mary B. Grubb, Claude R.. Rupp 1997-07-01