KW

Karl H. Welch

📍 Salineville, OH: #4 of 4 inventorsTop 100%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #4,086,577 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4258796 Earth drilling apparatus Frederick G. Horning, John M. Pozniko 1981-03-31