RH

Ralph O. Hughes

📍 Walnut Creek, CA: #476 of 1,300 inventorsTop 40%
🗺 California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,677,552 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4611817 Heavy transport bolster construction Kenneth F. Dewing, Donald C. Harlander 1986-09-16
4579182 Steerable, track-type vehicle for bulky loads Kenneth F. Dewing, Donald C. Harlander 1986-04-01
4188887 Multi-directional crane truck Kenneth F. Dewing, Donald C. Harlander 1980-02-19