Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4778770 | Process for making sensor elements in a retaining frame for a pyrodetector | Hans Meixner, Reinhard Freitag, Hans Siwon, Ulrich Armonier | 1988-10-18 |
| 4751388 | Sensor element in a retaining frame for a pyrodetector and method for the manufacture thereof | Hans Meixner, Reinhard Freitag, Hans Siwon, Ulrich Armonier | 1988-06-14 |
| 4716294 | Pyrodetector for the detection of a body entering into its detection area | Hans Siwon, Hans Meixner | 1987-12-29 |