DR

David C. Riehl

DI Dresser Industries: 2 patents #157 of 787Top 20%
📍 Sidney, OH: #91 of 232 inventorsTop 40%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #2,340,271 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4635743 Vehicle front wheel assist drive overspeed control system 1987-01-13
4398616 Steering system including independently operated rear wheel steering means for a vehicle Donald G. Braden 1983-08-16