HS

Harry C. Spendlow, Sr.

📍 Erie, CO: #301 of 421 inventorsTop 75%
🗺 Colorado: #24,093 of 40,980 inventorsTop 60%
Overall (All Time): #4,076,920 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4353524 Fluid control gate William E. Houghton 1982-10-12