WC

William R. Crothers

📍 Springfield, PA: #39 of 190 inventorsTop 25%
🗺 Pennsylvania: #19,182 of 74,527 inventorsTop 30%
Overall (All Time): #1,309,871 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4350356 Cart — 1982-09-21
4343487 Folding cart — 1982-08-10
4336951 Cart — 1982-06-29
4222585 Folding cart — 1980-09-16