FD

Frank N. Dupps

📍 Germantown, OH: #10 of 36 inventorsTop 30%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #2,299,904 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5188023 Cast formed bi-metallic worm assembly and method Peter W. Mansfield 1993-02-23
5088397 Cast formed bi-metallic worm assembly Peter W. Mansfield 1992-02-18