Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5303701 | Blower-supported gas mask and breathing equipment with an attachable control part | Torsten Birenheide | 1994-04-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5303701 | Blower-supported gas mask and breathing equipment with an attachable control part | Torsten Birenheide | 1994-04-19 |