Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6464757 | Filter for chemical oxygen generators | Yunchang Zhang, Michael J. Brumely, John E. Ellison, Girish S. Kshirsagar | 2002-10-15 |
| 6416720 | Emergency oxygen supply system for passengers in aircraft | — | 2002-07-09 |
| 6352652 | Low temperature sensitivity oxygen generating compositions | Yunchang Zhang | 2002-03-05 |