Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6401714 | Self contained breathing apparatus | — | 2002-06-11 |
| 6394091 | Breathing apparatus | — | 2002-05-28 |
| 6095142 | Progressive pressure indicator | — | 2000-08-01 |
| 4433685 | Pressure demand regulator with automatic shut-off | John L. Sullivan | 1984-02-28 |
| 4345592 | Pressure demand regulator with automatic shut-off | John L. Sullivan | 1982-08-24 |