Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D986086 | Stack light | Christopher M. Baldwin | 2023-05-16 |
| D898600 | Stack light | Christopher M. Baldwin | 2020-10-13 |
| 10309594 | Stack light | Christopher M. Baldwin | 2019-06-04 |
| 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 |
| 9030318 | Wireless tandem alarm | Christopher M. Baldwin, Daniel W. O'Brien | 2015-05-12 |
| 8674817 | Electronic sound level control in audible signaling devices | Christopher M. Baldwin, Joshua K. Brown | 2014-03-18 |
| 7880593 | Audible signaling device | Christopher M. Baldwin, Daniel W. O'Brien | 2011-02-01 |
| 6791821 | Tantalum-carbon hybrid capacitor with activated carbon | — | 2004-09-14 |