Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6422237 | Respirator with a breathing circuit | Dieter Engel, Claus Bunke, Matthias Witt | 2002-07-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6422237 | Respirator with a breathing circuit | Dieter Engel, Claus Bunke, Matthias Witt | 2002-07-23 |