DK

Donald K. Knapp

📍 Bellevue, WA: #4,573 of 6,950 inventorsTop 70%
🗺 Washington: #48,111 of 76,902 inventorsTop 65%
Overall (All Time): #4,074,244 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4344556 Welding backup tape and its method of manufacture — 1982-08-17