DF

Douglas C. Fay

📍 Shutesbury, MA: #8 of 15 inventorsTop 55%
🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%
Overall (All Time): #3,857,589 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5140883 Harp action 1992-08-25