Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11404901 | Emergency lighting system | Yan Rodriguez, James C. Johnson, Ray Altenburger, Allen Carmichael | 2022-08-02 |
| 11239691 | Powering an emergency lighting system | James C. Johnson, Antonio Marques, Gunjan P. Patel, Ray Altenburger | 2022-02-01 |