Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10764982 | Emergency lighting system with charging, standby, and emergency modes of operation | James C. Johnson, Dean W. Mavis, Antonio Marques, Ray Altenburger | 2020-09-01 |
| 10616970 | Powering an emergency lighting system | James C. Johnson, Dean W. Mavis, Antonio Marques, Ray Altenburger | 2020-04-07 |