Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |