Issued Patents All Time
Showing 26–32 of 32 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 |
| D377089 | Respiratory mask facial seal | John R. Starr, Mary T. Walthour | 1996-12-31 |
| 5570689 | Respiratory mask having a vertically adjustable spacer element that limits seal deformation on a wearer's face | John Raymond Pujol, Andrew Serowski | 1996-11-05 |
| 5540223 | Respiratory mask facial seal | John R. Starr, Mary T. Walthour | 1996-07-30 |
| 5517986 | Two-point/four-point adjustable headgear for gas delivery mask | Mary T. Walthour | 1996-05-21 |
| 5441046 | Quick release mechanism for nasal and/or oral gas delivery mask | John R. Starr, Mary T. Walthour | 1995-08-15 |
| 5438981 | Automatic safety valve and diffuser for nasal and/or oral gas delivery mask | John R. Starr, William J. Kaigler, John Raymond Pujol, Pat Devinney, Andrew Serowski | 1995-08-08 |