Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6393846 | Manifold for use in a portable liquid oxygen unit | — | 2002-05-28 |
| 6394088 | Oxygen-delivery system with portable oxygen meter | J. Fred Brown, Douglas R. Leithauser | 2002-05-28 |