Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D787660 | Respirator mask having a face seal flexing region | William A. Mittelstadt, David R. Stein | 2017-05-23 |
| D778430 | Filter cartridge | David M. Blomberg, Gary E. Dwyer, Pierre Legare, Carl W. Raines, III, Serge Dubeau +1 more | 2017-02-07 |