WS

William M. Spira

📍 Burnsville, MN: #391 of 632 inventorsTop 65%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,717,376 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5636472 Apparatus for the continuous cultivation of aquatic macrophytes Paul W. Skillicorn 1997-06-10