Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869245 | Automatic release mechanism for a breathing mask | Carlton W. Naab | 1989-09-26 |
| 4803980 | Automatic breathing mask release mechanism | Carlton W. Naab | 1989-02-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869245 | Automatic release mechanism for a breathing mask | Carlton W. Naab | 1989-09-26 |
| 4803980 | Automatic breathing mask release mechanism | Carlton W. Naab | 1989-02-14 |