Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6075444 | Arrangement for blocking the operation by an operator of a vehicle or a machine | Hans Matthiessen | 2000-06-13 |
| 5739412 | Gas sampling system having a mouthpiece | Burkhard Stock | 1998-04-14 |
| 5281324 | Measuring sensor for detecting gaseous components | Herbert Kiesele | 1994-01-25 |
| 5202011 | Measuring sensor for detecting gaseous components | Herbert Kiesele | 1993-04-13 |