FD

Frank P. Difeo

📍 Bradford, MA: #41 of 76 inventorsTop 55%
🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%
Overall (All Time): #3,377,723 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7175500 Yo-yo having a concave bearing surface for performing string layering maneuvers — 2007-02-13