Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D776257 | Personal respiratory protection device | Dean M. Remer | 2017-01-10 |
| D697199 | Respiratory mask | Seyed A. Angadjivand, Debra R. Dawson, Nhat Ha T. Nguyen | 2014-01-07 |
| D695886 | Respiratory mask | Debra R. Dawson, Seyed A. Angadjivand, Nhat Ha T. Nguyen | 2013-12-17 |
| 8375951 | Buckle and respirator using such buckle, having a deformable cinch bar, and method | Michael K. Domroese, Dwayne D. Daugaard, Daniel J. Stepan, Lance E. Behymer | 2013-02-19 |
| 8342180 | Filtering face-piece respirator that has expandable mask body | Philip G. Martin, Daniel J. Stepan, Audra A. Wilson, Christopher P. Henderson, Thomas G. Skulley +4 more | 2013-01-01 |
| 8171933 | Respirator having preloaded nose clip | Thomas J. Xue | 2012-05-08 |
| 8118026 | Filtering face-piece respirator support structure that has living hinges | Thomas G. Skulley, Erik J. Johnson, Lance E. Behymer, Dwayne D. Daugaard, Daniel J. Stepan +1 more | 2012-02-21 |
| 8066006 | Filtering face-piece respirator having nose clip molded into the mask body | Dwayne D. Daugaard, Daniel J. Stepan, Michael K. Domroese, Lance E. Behymer | 2011-11-29 |
| D646380 | Grey respiratory mask having black lines of demarcation | Dean M. Remer | 2011-10-04 |