Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5413097 | Fan-supported gas mask and breathing equipment with adjustable fan output | Torsten Lonneker-Lammers, Eckhard Riggert | 1995-05-09 |
| 5315878 | Measuring head for a pressure-measuring device with a pressure sensor for the simultaneous actuation of a switching contact | — | 1994-05-31 |
| 5303701 | Blower-supported gas mask and breathing equipment with an attachable control part | Bodo Heins | 1994-04-19 |