DV

Douglas F. Van Der Voort

📍 Elroy, WI: #4 of 7 inventorsTop 60%
🗺 Wisconsin: #23,834 of 40,088 inventorsTop 60%
Overall (All Time): #4,044,340 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4483274 Adjustable feeding unit Alfred J. Zmolek 1984-11-20