Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11109470 | Tubular lighting device, luminaire and method for operating with an electronic ballast | Bernd Ackermann, PIETER JOHANNES STOBBELAAR, Haimin Tao, Henricus Theodorus Van Der Zanden | 2021-08-31 |