Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6481023 | Suspension for protective headgear | James A. Hendrickson, Glenn C. Davis, James G. Tomlinson, Paul A. Zeller | 2002-11-19 |
| 6443149 | Closed circuit escape breathing apparatus | — | 2002-09-03 |