Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5687777 | Anesthetic agent filler valve | Alan Pitas | 1997-11-18 |
| 5673687 | Humidifier for a ventilator and an associated attachment | Gregg D. Keefe, Douglas R. Ogden, Eugene Pennington Smith | 1997-10-07 |