DS

David A. Sill

📍 Gaylord, MI: #148 of 302 inventorsTop 50%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,417,498 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7048636 Insert apparatus for a bowling ball, and method of using same — 2006-05-23