Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6805124 | Face mask that has a filtered exhalation valve | Daniel A. Japuntich, Jane K. Peterson, Nicholas R. Baumann, John W. Bryant, Christopher P. Henderson +1 more | 2004-10-19 |
| 6584976 | Face mask that has a filtered exhalation valve | Daniel A. Japuntich, Jane K. Peterson, Nicholas R. Baumann, John W. Bryant, Christopher P. Henderson +1 more | 2003-07-01 |
| 6460539 | Respirator that includes an integral filter element, an exhalation valve, and impactor element | Daniel A. Japuntich | 2002-10-08 |
| 6026511 | Protective article having a transparent shield | Nicholas R. Baumann, Shannon L. Dowdell Browne, Michael P. Moulsoff, Jane K. Peterson | 2000-02-22 |