Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11889253 | Earphone cushion with acoustic mesh-covered port | Masanori Honda | 2024-01-30 |
| 11212609 | Wearable audio device with tri-port acoustic cavity | Robert Belanger, David-Michael Lozupone, Clayton J. Pipkin, Matthew J. Greenway | 2021-12-28 |
| 10484772 | Hidden rear cavity vent | Richard L. Pyatt, Jonathan D. Turner, Daniel P. Baker | 2019-11-19 |
| 8289146 | System for testing NAC operability using reduced operating voltage | Gary Vincent, Mark P. Barrieau | 2012-10-16 |
| 8063763 | System for testing NAC operability using reduced operating voltage | Gary Vincent, Mark P. Barrieau | 2011-11-22 |
| 7999666 | Emergency lighting system with improved monitoring | Mark B. Barrieau, Jeffrey R. Brooks | 2011-08-16 |
| 7400226 | Emergency lighting system with improved monitoring | Mark P. Barrieau, Jeffrey R. Brooks | 2008-07-15 |