Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5372416 | Vending machine having an incorporated anti vandal door | Donald A. Shapley | 1994-12-13 |
| 4275393 | Method and apparatus for sensing pressure | — | 1981-06-23 |
| 4269325 | Can vending apparatus | Samuel Durham | 1981-05-26 |