Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5619988 | First stage pressure regulator for emergency breathing apparatus | Robert J. Mattila | 1997-04-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5619988 | First stage pressure regulator for emergency breathing apparatus | Robert J. Mattila | 1997-04-15 |