BH

Brian D. Hamphill

📍 Painesville, OH: #178 of 292 inventorsTop 65%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #3,802,048 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5329897 Rotary valve with seal for internal combustion engine Jeffrey Hemphill 1994-07-19