DC

Donald K. Christian

📍 Spartanburg, SC: #76 of 569 inventorsTop 15%
🗺 South Carolina: #1,688 of 15,501 inventorsTop 15%
Overall (All Time): #593,350 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
4546867 Coin insert for vending machine David E. Terry 1985-10-15
4530444 Separation device for single copy newspaper vendor 1985-07-23
D276170 Coin mechanism enclosure for a newspaper vendor 1984-10-30
4421219 Dual price cam system for totalizing vendor 1983-12-20
4418836 Vending machine for newspaper, magazines and the like 1983-12-06
4411375 Novel shelf arrangement for a drop shelf vending machine 1983-10-25
4382499 Novel totalizer application for newspaper vending machine 1983-05-10
4304340 Semi-automatic display release means for single copy periodical vending machines 1981-12-08
4284207 Drop shelf mechanism 1981-08-18