Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D305166 | Anesthesia and respiratory face mask | Jeffrey John Quinn | 1989-12-19 |
| D303587 | Anaesthetic and respiratory face mask | Jeffrey John Quinn | 1989-09-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D305166 | Anesthesia and respiratory face mask | Jeffrey John Quinn | 1989-12-19 |
| D303587 | Anaesthetic and respiratory face mask | Jeffrey John Quinn | 1989-09-19 |