Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6805124 | Face mask that has a filtered exhalation valve | Daniel A. Japuntich, Nicole V. McCullough, Jane K. Peterson, Nicholas R. Baumann, John W. Bryant +1 more | 2004-10-19 |
| 6722366 | Method of making a flat-folded personal respiratory protection device | Graham J. Bostock, John W. Bryant, Desmond T. Curran, Dennis L. Krueger, James F. Dyrud | 2004-04-20 |
| 6715489 | Processes for preparing flat-folded personal respiratory protection devices | Graham J. Bostock, John W. Bryant, Desmond T. Curran, Dennis L. Krueger, James F. Dyrud | 2004-04-06 |