Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5799062 | Systems and methods for integrating telephone and security devices | Donald C. Sorenson | 1998-08-25 |
| 5159316 | Capacitance change article removal alarm | — | 1992-10-27 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5799062 | Systems and methods for integrating telephone and security devices | Donald C. Sorenson | 1998-08-25 |
| 5159316 | Capacitance change article removal alarm | — | 1992-10-27 |