Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6481023 | Suspension for protective headgear | Layton A. Wise, James A. Hendrickson, Glenn C. Davis, James G. Tomlinson | 2002-11-19 |
| 6345620 | Flexible respirator filter | Thomas M. Salapow, Roger P. Wolf | 2002-02-12 |