DB

Donald J. Berchem

📍 West Bend, WI: #10 of 28 inventorsTop 40%
🗺 Wisconsin: #910 of 3,225 inventorsTop 30%
Overall (2002): #228,792 of 266,432Top 90%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6473952 Deburrer device Charles J. Gedrich 2002-11-05