Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5205273 | Convection-radiant heated oven | Michael Webster Sparks | 1993-04-27 |
| 4651896 | Single article vending machine | — | 1987-03-24 |
| 4527711 | Vending machine for edge engaging and dispensing single article | — | 1985-07-09 |