MR

Marvin A. Roberts

📍 Calabasas, CA: #1,149 of 4,119 inventorsTop 30%
🗺 California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,684,942 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4350278 Demand drive component 1982-09-21
4289323 Wheel improvement for roller skates 1981-09-15
4215827 Film loop apparatus Joseph C. Wary 1980-08-05