Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6826783 | Chemical/biological helmet | Stephen E. Chase | 2004-12-07 |
| 6763835 | Chemical/biological special operations mask | Stephen E. Chase, Jeffery S. Hofmann | 2004-07-20 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6826783 | Chemical/biological helmet | Stephen E. Chase | 2004-12-07 |
| 6763835 | Chemical/biological special operations mask | Stephen E. Chase, Jeffery S. Hofmann | 2004-07-20 |