CS

Charles A. Spurling

📍 North Grafton, MA: #41 of 79 inventorsTop 55%
🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%
Overall (All Time): #2,334,161 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4884614 Safety gate — 1989-12-05
4579197 Ladder shield — 1986-04-01