Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12136849 | Emergency lighting system with battery identification | Ray Altenburger, Gunjan P. Patel | 2024-11-05 |
| 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 |
| 11026311 | Emergency lighting system with power rollback | Ray Altenburger, Gunjan P. Patel | 2021-06-01 |
| 10764982 | Emergency lighting system with charging, standby, and emergency modes of operation | James C. Johnson, Antonio Marques, Gunjan P. Patel, Ray Altenburger | 2020-09-01 |
| 10631375 | Emergency lighting system | Yan Rodriguez, James C. Johnson, Ray Altenburger, Allen Carmichael | 2020-04-21 |
| 10616970 | Powering an emergency lighting system | James C. Johnson, Antonio Marques, Gunjan P. Patel, Ray Altenburger | 2020-04-07 |
| 10455655 | Emergency lighting system | Yan Rodriguez, James C. Johnson, Ray Altenburger, Allen Carmichael | 2019-10-22 |
| 9832826 | Emergency lighting system | Yan Rodriguez, James C. Johnson, Ray Altenburger, Allen Carmichael | 2017-11-28 |