Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8023661 | Self-adjusting and self-modifying addressable speaker | Bernard E. H. Laluvein | 2011-09-20 |
| 7999666 | Emergency lighting system with improved monitoring | Mark B. Barrieau, Johnpaul P. Barrieau | 2011-08-16 |