Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6908503 | Reduced noise oxygen concentrator | Norman R. McCombs, Rober E. Casey | 2005-06-21 |
| 6427690 | Combined oxygen regulator and conservation device | Norman R. McCombs, Michael A. Chimiak, Andrzej Klimaszewski | 2002-08-06 |
| 6212957 | Fluid flowmeter and method of assembly | Norman R. McCombs | 2001-04-10 |
| D418599 | Oxygen flow controller | Norman R. McCombs, Michael A. Chimiak | 2000-01-04 |