DP

David J. Petrack

📍 Omro, WI: #26 of 48 inventorsTop 55%
🗺 Wisconsin: #23,834 of 40,088 inventorsTop 60%
Overall (All Time): #3,598,006 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6308548 Deburring apparatus John P. Schwochert 2001-10-30