Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7497217 | Method of making a filter cartridge using a thermoforming step | Andrew S. Viner, Audra A. Conlan, Brian Cormack, Malcolm R. Watson, Christopher P. Henderson +1 more | 2009-03-03 |
| 7069931 | Method of making a filtering face mask that has an exhalation valve attached thereto | Desmond T. Curran | 2006-07-04 |
| 7007695 | Manner of attaching component elements to filtration material such as may be utilized in respiratory masks | Desmond T. Curran | 2006-03-07 |
| 6959709 | Manner of attaching component elements to filtration material such as may be utilized in respiratory masks | Desmond T. Curran | 2005-11-01 |
| 6874499 | Filter element that has a thermo-formed housing around filter material | Andrew S. Viner, Audra A. Conlan, Brian Cormack, Malcolm R. Watson, Christopher P. Henderson +1 more | 2005-04-05 |
| 6604524 | Manner of attaching component elements to filtration material such as may be utilized in respiratory masks | Desmond T. Curran | 2003-08-12 |
| 6286144 | Protective garments incorporating bands of welded or adhesively-bonded elastomeric material | Christopher P. Henderson, James Fewtrell, Nicholas J. Gloag | 2001-09-11 |
| 6148817 | Multi-part headband and respirator mask assembly and process for making same | John W. Bryant, Desmond T. Curran, James F. Dyrud, Christopher P. Henderson, Harold J. Seppala | 2000-11-21 |
| 6125849 | Respiratory masks having valves and other components attached to the mask by a printed patch of adhesive | Desmond T. Curran | 2000-10-03 |
| 6070579 | Elastomeric composite headband | John W. Bryant, Desmond T. Curran, James F. Dyrud, Christopher P. Henderson, Dennis L. Krueger +1 more | 2000-06-06 |
| 5724677 | Multi-part headband and respirator mask assembly and process for making same | John W. Bryant, Desmond T. Curran, James F. Dyrud, Christopher P. Henderson, Harold J. Seppala | 1998-03-10 |