Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D468017 | Portable oxygen supply apparatus | — | 2002-12-31 |
| 6427690 | Combined oxygen regulator and conservation device | James A. Alessi, Michael A. Chimiak, Andrzej Klimaszewski | 2002-08-06 |