Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9509858 | Calling card replenishment system | Thomas Quigley, Brian Rudolph | 2016-11-29 |
| 8295805 | Real-time replenishment with electronic confirmation for sale of prepaid long distance | — | 2012-10-23 |
| 5353013 | Vehicle operator sleep alarm | — | 1994-10-04 |