FI

Frederick G. Ingraham

📍 Topsfield, MA: #109 of 151 inventorsTop 75%
🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%
Overall (All Time): #3,345,299 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D558857 Sprayer for sand and debris removal — 2008-01-01