BH

Brian D. Hamphill

📍 Painesville, OH: #2 of 11 inventorsTop 20%
🗺 Ohio: #979 of 4,093 inventorsTop 25%
Overall (1994): #39,366 of 165,921Top 25%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

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