Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5425358 | Pressure limiting valve for ventilation gas apparatus | Thomas W. McGrail, James M. Howard | 1995-06-20 |
| 5301667 | Pressure limiting valve for ventilation breathing bag apparatus | Thomas W. McGrail, James M. Howard | 1994-04-12 |