Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5756978 | Modular optical memory card image display point of sale terminal | Renee M. Keller | 1998-05-26 |
| 5027401 | System for the secure storage and transmission of data | — | 1991-06-25 |