Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6584976 | Face mask that has a filtered exhalation valve | Daniel A. Japuntich, Nicole V. McCullough, Jane K. Peterson, John W. Bryant, Christopher P. Henderson +1 more | 2003-07-01 |
| 6520181 | Anti-fog face mask | Shannon L. Dowdell, Matt T. Scholz, Wayne K. Dunshee | 2003-02-18 |