DB

Daniel Browne

📍 St. Bernard, OH: #4 of 11 inventorsTop 40%
🗺 Ohio: #715 of 3,574 inventorsTop 25%
Overall (1989): #123,813 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4821692 Rotary valve mechanism for internal combustion engine — 1989-04-18