Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6850607 | Intelligent vending system and method | Rolf Meyer, Kenneth Bryan, Raymond F. Felch, Tony L. McBride, Gary L. Stirk | 2005-02-01 |
| 6301344 | Intelligent public telephone system and method | Rolf Meyer, Kenneth Bryan, Raymond F. Felch, Tony L. McBride, Gary L. Stirk | 2001-10-09 |
| 5687830 | Item discrimination apparatus and method | Patrick R. Gorman | 1997-11-18 |
| 5568854 | Coin discrimination method | Patrick R. Gorman | 1996-10-29 |
| 5351798 | Coin discrimination apparatus and method | — | 1994-10-04 |
| 5191957 | Coin discrimination method | — | 1993-03-09 |