Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9619983 | Wireless tandem alarm | Christopher M. Baldwin, Mark T. Monnett | 2017-04-11 |
| 9165440 | Multi-sensory warning device | Christopher M. Baldwin | 2015-10-20 |
| 9030318 | Wireless tandem alarm | Christopher M. Baldwin, Mark T. Monnett | 2015-05-12 |
| 8797176 | Multi-sensory warning device | Christopher M. Baldwin | 2014-08-05 |
| 7880593 | Audible signaling device | Christopher M. Baldwin, Mark T. Monnett | 2011-02-01 |
| 6987445 | Water resistant audible signal | George Burnett, Joshua K. Brown | 2006-01-17 |
| 6617967 | Piezoelectric siren driver circuit | Christopher M. Baldwin, George Burnett | 2003-09-09 |
| 5872506 | Piezoelectric transducer having directly mounted electrical components and noise making device utilizing same | Robert L. Leonard, Jr. | 1999-02-16 |