Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6557754 | Apparatus and method of providing a dual mode card and reader | Robert J. Gray, Lee Gudmundsen | 2003-05-06 |
| 6168077 | Apparatus and method of providing a dual mode card and reader | Robert J. Gray, Lee Gudmundsen | 2001-01-02 |