Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11506590 | Scattered light smoke detector having a two-color LED, a photosensor, and a wavelength-selective polarizer connected upstream of the photosensor or connected downstream of the two-color LED, and suitable use of such a polarizer | Thomas Bachels | 2022-11-22 |