Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5518452 | Ventilator | Arthur Stoney | 1996-05-21 |
| 5344366 | Ventilators | Arthur Stoney, Richard Waters | 1994-09-06 |
| 5238449 | Ventilators | Arthur Stoney, Richard Waters | 1993-08-24 |
| 4989430 | Latch mechanism | — | 1991-02-05 |