Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9619983 | Wireless tandem alarm | Daniel W. O'Brien, Mark T. Monnett | 2017-04-11 |
| 9576442 | Electronic sound level control in audible signaling devices | Joshua K. Brown, Mark T. Monnett | 2017-02-21 |