Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9619983 | Wireless tandem alarm | Christopher M. Baldwin, Daniel W. O'Brien | 2017-04-11 |
| 9576442 | Electronic sound level control in audible signaling devices | Christopher M. Baldwin, Joshua K. Brown | 2017-02-21 |