Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5111291 | Auto freeze frame display for intrusion monitoring system | Charles H. Erickson, James E. Kase | 1992-05-05 |
| 5109278 | Auto freeze frame display for intrusion monitoring system | Charles H. Erickson, James E. Kase | 1992-04-28 |