Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5601078 | Breathing apparatus with a display unit | Uwe Schaller, Detlef Wolter, Ralf Drews | 1997-02-11 |
| 4950984 | Apparatus for determining the proportion of a substance having paramagnetic properties in a mixture of substances | Johann Otten, Scato Albarda | 1990-08-21 |
| 4804632 | Method for detecting combustible gases and device therefor | Peter J. Iredale, Alan L. Johnson | 1989-02-14 |