RC

Roland J. Cheney

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 San Diego, CA: #15,630 of 23,606 inventorsTop 70%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #4,083,402 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4249740 Board and apparatus for simultaneously playing chess games Calvin P. Owen 1981-02-10