Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7565222 | Economical optical system to provide reasonable assurance of completed vend or vendible items from vending machines | — | 2009-07-21 |
| 6302292 | Ticket counting dispenser | Christopher E. Schafer, Ryan B. Gruhn, Philip R. Littler, Tim Caltrider, Glenn Miller +2 more | 2001-10-16 |