Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7423543 | Multifunctional relay module for use with CO and smoke alarms | Kirby W. Cartwright | 2008-09-09 |
| 7423544 | Method of selecting operation in a line-powered module | Kirby W. Cartwright | 2008-09-09 |
| 4535491 | Commode anti-splash device and method | — | 1985-08-20 |