Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D412577 | Oxygen concentrator used in home health care | Sammy Mickelson, Kevin Gene McCulloh, Bradley D. Kreiner, Dean A. Cantrill, Kelly M. Coffield +1 more | 1999-08-03 |
| 5858062 | Oxygen concentrator | Kevin Gene McCulloh, John W. Henneman, Kelly M. Coffield | 1999-01-12 |
| 5836358 | Fill port covers | Gary Byrd | 1998-11-17 |
| 5240157 | Backpack harness and cinch | — | 1993-08-31 |