Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6850607 | Intelligent vending system and method | Rolf Meyer, Kenneth Bryan, Raymond F. Felch, Gary L. Stirk, Stephen J. Hayes | 2005-02-01 |
| 6301344 | Intelligent public telephone system and method | Rolf Meyer, Kenneth Bryan, Raymond F. Felch, Gary L. Stirk, Stephen J. Hayes | 2001-10-09 |