Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9178567 | Secure communication apparatus and method for a mobile computing device | Clifford R. Klein, Joseph T. Rohret | 2015-11-03 |
| 4910525 | Audio verification system and technique for GPS receivers | — | 1990-03-20 |