RH

Ronald O. Hammel

TR The Gates Rubber: 2 patents #23 of 125Top 20%
📍 Englewood, CO: #344 of 810 inventorsTop 45%
🗺 Colorado: #17,029 of 40,980 inventorsTop 45%
Overall (All Time): #2,365,916 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4321523 Battery charger and power supply circuitry — 1982-03-23
4244011 Rechargeable flashlight William J. Barcus, Irwin C. Cone 1981-01-06