DS

David G. Sprager

📍 Milwaukee, WI: #1,543 of 2,770 inventorsTop 60%
🗺 Wisconsin: #23,834 of 40,088 inventorsTop 60%
Overall (All Time): #3,625,489 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6110052 Apparatus and method for analyzing bowling technique Larry M. Vezina, Daniel R. Speranza, James M. Donovan 2000-08-29