Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5979773 | Dual smart card access control electronic data storage and retrieval system and methods | Robert W. Dixon | 1999-11-09 |
| 5629508 | Dual smart card access control electronic data storage and retrieval system and methods | Robert W. Dixon | 1997-05-13 |