RF

Richard D. Frierdich

UN Unknown: 3 patents #7,366 of 83,584Top 9%
Overall (All Time): #2,373,255 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4206925 Board game with chance operation and random striker Adolph E. Goldfarb, Erwin Benkoe, Delmar K. Everitt, Ronald F. Chesley 1980-06-10
4198050 Game device with release ramp and scoring recesses Adolph E. Goldfarb, Delmar K. Everitt, Ronald F. Chesley 1980-04-15