Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6438262 | Security document validation | John A. Gorczyca, Phil Skipper | 2002-08-20 |
| 5678678 | Apparatus for measuring the profile of documents | Robert Brandt, Elwood E. Barnes, Phillip Rene Reger | 1997-10-21 |
| 5316124 | Method and apparatus for a low-power, battery-powered vending and dispensing apparatus | Elwood E. Barnes, Geoffrey A. June | 1994-05-31 |