DR

Donald C. Rockola

RM Rock-Ola Manufacturing: 11 patents #1 of 6Top 20%
📍 Chicago, IL: #1,008 of 13,327 inventorsTop 8%
🗺 Illinois: #7,280 of 84,256 inventorsTop 9%
Overall (All Time): #429,562 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
5162712 Opto-electric central system for a reversible electric motor Shuja Haque 1992-11-10
5080256 Slant shelf magazine for automatic vending machines 1992-01-14
5077923 Program display for coin operated compact disc phonograph Shuja Haque 1992-01-07
D322286 Compact disc album cover display Shuja Haque 1991-12-10
5031164 Compact disc holding mechanism for automatic coin operated phonogram Shuja Haque 1991-07-09
4997106 Storage magazine and feed system for vending cylindrical articles 1991-03-05
4923090 Delivery assembly for coin-operated can vending machines Shuja Haque 1990-05-08
4913313 Dual serpentine track magazine for coin operated can vendors 1990-04-03
D306092 Vending machine 1990-02-20
4886325 Display assembly for automatic can vending machine Shuja Hague 1989-12-12
4306644 Coin chute for vending machine Floyd V. Bookout, Clifford F. Czech 1981-12-22
4258838 Automatic phonograph bonus award system Michael L. Schneider, Leonard A. Distaso 1981-03-31