FD

Frank C. Donofrio

📍 Norristown, PA: #206 of 488 inventorsTop 45%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,303,252 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5228689 Golf club with loft adjusting means — 1993-07-20
4243890 Isolator/switching assembly for data processing terminal Bruce Miller, Gus C. Gadonas 1981-01-06