Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D759807 | Respirator mask exhalation port | David M. Blomberg, William A. Mittelstadt, Carl W. Raines, III | 2016-06-21 |
| D757928 | Respirator cartridge body | David M. Blomberg, Gary E. Dwyer, Pierre Legare | 2016-05-31 |
| D757247 | Respirator cartridge | Gary E. Dwyer, Pierre Legare | 2016-05-24 |
| D754844 | Respirator mask | David M. Blomberg | 2016-04-26 |
| D747795 | Respirator mask body | David M. Blomberg, Michael J. Cowell, Carl W. Raines, III, Charlie Wood | 2016-01-19 |
| D746437 | Respirator mask having a communication grille | David M. Blomberg, Gary E. Dwyer, Carl W. Raines, III | 2015-12-29 |
| D741475 | Respirator mask having a communication grille | David M. Blomberg, Charlie Wood | 2015-10-20 |
| D728401 | Housing for a material testing machine | Bradley D. Schulz, Paul M. Krueger, Serge Dubeau | 2015-05-05 |
| D691501 | Housing for a material testing machine | Bradley D. Schulz, Paul M. Krueger, Serge Dubeau | 2013-10-15 |