WM

Walter M. Madsen

📍 Madras, OR: #21 of 47 inventorsTop 45%
🗺 Oregon: #17,068 of 28,073 inventorsTop 65%
Overall (All Time): #4,081,527 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4244614 Clam gun with vent mechanism for easing withdrawal from the sand — 1981-01-13