DR

Daniel J. Redfern

🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,410,142 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7011275 Internal spur gear drive 2006-03-14