Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5737076 | Method and apparatus for determining substances and/or the properties thereof | Ulrich Walter Glaus, Heinz Wagner | 1998-04-07 |
| 5157458 | Polarization interferometer spectrometer | Heinz Wagner, Ulrich Walter Glaus | 1992-10-20 |
| 4647786 | Photoelectric smoke detector and its application | Hannes Guttinger | 1987-03-03 |
| 4559453 | Smoke detector with a radiation source operated in a pulse-like or intermittent mode | Jurg Muggli | 1985-12-17 |
| 4547675 | Smoke detector operating according to the radiation extinction principle | Jurg Muggli | 1985-10-15 |