Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6732733 | Half-mask respirator with head harness assembly | Gerald M. Brostrom, William A. Mittelstadt, Alan J. Solyntjes | 2004-05-11 |
| 6729332 | Retention assembly with compression element and method of use | — | 2004-05-04 |
| 6705317 | Retention assembly with compression element and method of use | — | 2004-03-16 |