RP

Robert Leroy Polkinghorn

📍 Dodgeville, WI: #13 of 19 inventorsTop 70%
🗺 Wisconsin: #23,834 of 40,088 inventorsTop 60%
Overall (All Time): #3,560,275 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6463923 Grill Duane A. Carley, Timothy A. Polkinghorn 2002-10-15