Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6263874 | Combined anesthetic and scavenger mask | James Wing Au | 2001-07-24 |
| 5528923 | Gas amount and solubility investigation apparatus | Walter Snedden, Henry Manson | 1996-06-25 |