| 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 |