Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |