Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5613488 | Chemical oxygen generator breathing device with the exhalation bag within the inhalation bag | Volker Hunnebeck | 1997-03-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5613488 | Chemical oxygen generator breathing device with the exhalation bag within the inhalation bag | Volker Hunnebeck | 1997-03-25 |