Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8375950 | Flat-folded personal respiratory protection devices and processes for preparing same | Graham J. Bostock, Desmond T. Curran, Christopher P. Henderson, Dennis L. Krueger, James F. Dyrud | 2013-02-19 |
| 8146594 | Flat-folded personal respiratory protection devices | Graham J. Bostock, Desmond T. Curran, Christopher P. Henderson, Dennis L. Krueger, James F. Dyrud | 2012-04-03 |
| D620104 | Personal respiratory protection device | Desmond T. Curran, Christopher P. Henderson | 2010-07-20 |
| D533800 | Audible messaging device for encouraging a patron to employ proper hygiene habits | — | 2006-12-19 |
| 7069930 | Flat-folded personal respiratory protection devices and processes for preparing same | Graham J. Bostock, Desmond T. Curran, Christopher P. Henderson, Dennis L. Krueger, James F. Dyrud | 2006-07-04 |
| 6886563 | Flat-folded personal respiratory protection devices and processes for preparing same | Graham J. Bostock, Desmond T. Curran, Christopher P. Henderson, Dennis L. Krueger, James F. Dyrud | 2005-05-03 |
| 6805124 | Face mask that has a filtered exhalation valve | Daniel A. Japuntich, Nicole V. McCullough, Jane K. Peterson, Nicholas R. Baumann, Christopher P. Henderson +1 more | 2004-10-19 |
| 6722366 | Method of making a flat-folded personal respiratory protection device | Graham J. Bostock, Desmond T. Curran, Christopher P. Henderson, Dennis L. Krueger, James F. Dyrud | 2004-04-20 |
| 6715489 | Processes for preparing flat-folded personal respiratory protection devices | Graham J. Bostock, Desmond T. Curran, Christopher P. Henderson, Dennis L. Krueger, James F. Dyrud | 2004-04-06 |
| 6584976 | Face mask that has a filtered exhalation valve | Daniel A. Japuntich, Nicole V. McCullough, Jane K. Peterson, Nicholas R. Baumann, Christopher P. Henderson +1 more | 2003-07-01 |
| 6568392 | Flat-folded personal respiratory protection devices and processes for preparing same | Graham J. Bostock, Desmond T. Curran, Christopher P. Henderson, Dennis L. Krueger, James F. Dyrud | 2003-05-27 |
| 6536434 | Flat-folded personal respiratory protection devices and processes for preparing same | Graham J. Bostock, Desmond T. Curran, Christopher P. Henderson, Dennis L. Krueger, James F. Dyrud | 2003-03-25 |
| 6484722 | Flat-folded personal respiratory protection devices and processes for preparing same | Graham J. Bostock, Desmond T. Curran, Christopher P. Henderson, Dennis L. Krueger, James F. Dyrud | 2002-11-26 |
| D459471 | Personal respiratory protection device that has a three panelled look | Desmond T. Curran, Christopher P. Henderson | 2002-06-25 |
| D458364 | Personal respiratory protection device that has left and right tabs | Desmond T. Curran, Christopher P. Henderson | 2002-06-04 |
| D449377 | Tabs on a personal respiratory protection device | Christopher P. Henderson, Desmond T. Curran, Nicholas J. Gloag | 2001-10-16 |
| 6148817 | Multi-part headband and respirator mask assembly and process for making same | Desmond T. Curran, James F. Dyrud, Christopher P. Henderson, Harold J. Seppala, Elfed I. Williams | 2000-11-21 |
| D431647 | Personal respiratory protection device having an exhalation valve | Christopher P. Henderson, Desmond T. Curran, James F. Dyrud | 2000-10-03 |
| 6123077 | Flat-folded personal respiratory protection devices and processes for preparing same | Graham J. Bostock, Desmond T. Curran, Christopher P. Henderson, Dennis L. Krueger, James F. Dyrud | 2000-09-26 |
| 6070579 | Elastomeric composite headband | Desmond T. Curran, James F. Dyrud, Christopher P. Henderson, Dennis L. Krueger, Harold J. Seppala +1 more | 2000-06-06 |
| D424688 | Respiratory protection mask | Christopher P. Henderson, Desmond T. Curran, James F. Dyrud | 2000-05-09 |
| 5724677 | Multi-part headband and respirator mask assembly and process for making same | Desmond T. Curran, James F. Dyrud, Christopher P. Henderson, Harold J. Seppala, Elfed I. Williams | 1998-03-10 |
| D347299 | Valve cover | Alan G. Kellett, Richard Lees, Daniel A. Japuntich, David C. Byram | 1994-05-24 |