MD

Michael T. Duffee

📍 New Castle, PA: #3 of 8 inventorsTop 40%
🗺 Pennsylvania: #570 of 2,652 inventorsTop 25%
Overall (1982): #78,029 of 81,411Top 100%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4335891 Game transportation device Francis Alley 1982-06-22