Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10674574 | Lighting control system and devices | Nicholas G. Preiser, Ward Ramsdell, Marc Christiansen | 2020-06-02 |
| 10555402 | Lighting control system and devices | Nicholas G. Preiser, Ward Ramsdell | 2020-02-04 |