Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 8375951 | Buckle and respirator using such buckle, having a deformable cinch bar, and method | Yonas Gebrewold, Michael K. Domroese, Daniel J. Stepan, Lance E. Behymer | 2013-02-19 | $13,877,000 |
| 8118026 | Filtering face-piece respirator support structure that has living hinges | Yonas Gebrewold, Thomas G. Skulley, Erik J. Johnson, Lance E. Behymer, Daniel J. Stepan +1 more | 2012-02-21 | $17,160,000 |
| 8066006 | Filtering face-piece respirator having nose clip molded into the mask body | Daniel J. Stepan, Yonas Gebrewold, Michael K. Domroese, Lance E. Behymer | 2011-11-29 | $15,523,000 |