WC

William H. Clark

📍 Sharon, PA: #4 of 6 inventorsTop 70%
🗺 Pennsylvania: #389 of 4,367 inventorsTop 9%
Overall (1997): #20,196 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5687970 Board game device 1997-11-18
5683089 Numerically-scored chess-like board game 1997-11-04