Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8020553 | Ambulatory oxygen concentrator containing a three phase vacuum separation system | Nicholas P. Van Brunt, John A. Kivisto, Perry B. Lonnes | 2011-09-20 |
| 7954490 | Method of providing ambulatory oxygen | Nicholas P. Van Brunt, John A. Kivisto, Perry B. Lonnes | 2011-06-07 |
| 7866315 | Method and apparatus for controlling the purity of oxygen produced by an oxygen concentrator | Nicholas P. Van Brunt, John A. Kivisto, Perry B. Lonnes | 2011-01-11 |