RI

Roger H. Cowden, II

📍 Miamisburg, OH: #123 of 219 inventorsTop 60%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #3,916,095 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4973946 Underground liquid storage tank leak containment, detection and alarm system — 1990-11-27