Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5798921 | Audio storage/reproduction system with automated inventory control | Todd M. Johnson, Robert Ramion | 1998-08-25 |
| 4472714 | Clock synchronization circuit for control of traffic signals | — | 1984-09-18 |
| 4462031 | Traffic synchronization device | — | 1984-07-24 |