JR

John G. Renfrew

WARF: 1 patents #1,912 of 4,123Top 50%
📍 Madison, WI: #2,790 of 4,527 inventorsTop 65%
🗺 Wisconsin: #23,834 of 40,088 inventorsTop 60%
Overall (All Time): #2,989,504 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9277926 Drill sleeve Kenneth O. Xu, Austin J. Crow, Joshua M. Kolz, Sarah R. Sandock 2016-03-08