RW

Robert J. Wengrzynek

US USDA: 1 patents #1,162 of 2,828Top 45%
📍 Old Town, ME: #11 of 25 inventorsTop 45%
🗺 Maine: #2,311 of 4,281 inventorsTop 55%
Overall (All Time): #3,866,480 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5174897 Constructed wetlands to control nonpoint source pollution — 1992-12-29