Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5065613 | Method for the direct presentation of a differential measured quantity in terms of its correct physical unit | Michael Lehnert, Rudi Roess | 1991-11-19 |
| 4983913 | Method and apparatus for measuring a gas by exploiting the paramagnetic properties of the gas | Hans Krause, Rudi Roess | 1991-01-08 |
| 4922108 | Infrared radiation source, especially for a multi-channel gas analyzer | Gerhard Wiegleb | 1990-05-01 |