Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364384 | Excess pressure respirator with pressurized breathing gas shutoff | Adalbert Pasternack | 1982-12-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364384 | Excess pressure respirator with pressurized breathing gas shutoff | Adalbert Pasternack | 1982-12-21 |