Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6248224 | Toxic sensor and method of manufacture | — | 2001-06-19 |
| 5127259 | Apparatus for determining volatile substances in liquid | Melchior Kahl | 1992-07-07 |
| 4394239 | Electro-chemical sensor for the detection of reducing gases, in particular carbon monoxide, hydrazine and hydrogen in air | Jacques Deprez | 1983-07-19 |
| 4354854 | Apparatus for colorimetrically measuring traces of gas | Ulrich Fritze, Gerd Janser, Heinz Herschinger | 1982-10-19 |