RH

Russell P. Harshberger

UN Unknown: 1 patents #29,356 of 83,584Top 40%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,335,542 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4729322 Cantilevered train system — 1988-03-08
4338892 Internal combustion engine with smoothed ignition — 1982-07-13