Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647355 | Automatic safety valve for respiratory equipment which is counter-balanced and self-adjusting | John R. Starr, William J. Kaigler, John Raymond Pujol, Patrick Devinney, Andrew Serowski | 1997-07-15 |