WT

William C. Trethewey

🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #4,000,069 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4605240 Electronically controlled bicycle transmission William E. Clem 1986-08-12