Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7463159 | Fire detector | Max Schlegel | 2008-12-09 |
| 7365846 | Scattered light smoke detector | Urs Riedi | 2008-04-29 |
| 5381130 | Optical smoke detector with active self-monitoring | Marc Thuillard, Andreas Scheidweiler | 1995-01-10 |
| 4626675 | Demultiplexing photodiode sensitive to plural wavelength bands | Hans M. Gundner | 1986-12-02 |