Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10922955 | Battery interconnected smoke detector system | Preston Palmer, Larkin Palmer | 2021-02-16 |
| 10431055 | Battery interconnected alert device system with vibrational alert | Preston Palmer, Larkin Palmer | 2019-10-01 |
| 9965935 | Alarm device system with simultaneous AC/DC power source | Preston Palmer, Larkin Palmer | 2018-05-08 |
| 9966791 | Central battery interconnected smoke detector system with single wire AC and DC pass-through relay | Preston Palmer, Larkin Palmer | 2018-05-08 |