Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6959709 | Manner of attaching component elements to filtration material such as may be utilized in respiratory masks | Elfed I. Williams | 2005-11-01 |
| 6886563 | Flat-folded personal respiratory protection devices and processes for preparing same | Graham J. Bostock, John W. Bryant, Christopher P. Henderson, Dennis L. Krueger, James F. Dyrud | 2005-05-03 |
| 6874499 | Filter element that has a thermo-formed housing around filter material | Andrew S. Viner, Audra A. Conlan, Brian Cormack, Malcolm R. Watson, Christopher P. Henderson +1 more | 2005-04-05 |