Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6250452 | Vending data collection system | Kenneth M. Partyka, David J. Pogoff, Michael L. Gannon | 2001-06-26 |
| 5941363 | Vending data collection system | Kenneth M. Partyka, David J. Pogoff, Michael L. Gannon | 1999-08-24 |