Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6533846 | Modular pressure swing adsorption apparatus with clearance-type valve seals | Bowie G. Keefer, Les Jeziorowski, Kevin A. Kaupert, Marie Taponat, Christopher Stoner | 2003-03-18 |
| 6514319 | Life support oxygen concentrator | Bowie G. Keefer | 2003-02-04 |