WK

William L. Kopp

📍 New Oxford, PA: #14 of 31 inventorsTop 50%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #4,007,423 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4632003 Musical instrument sound quality enhancement device — 1986-12-30