Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5813400 | Breathing apparatus | Pierre Buhlmann | 1998-09-29 |
| 5080414 | Locking device for attaching a gas cylinder in a portable cylinder holder | Erik Svantesson | 1992-01-14 |
| 4926855 | Respirator | Carl P. M. Muhlmann | 1990-05-22 |
| 4887638 | Regulator | Pierre Buhlmann | 1989-12-19 |