Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7493900 | Fibrous filtration face mask having a new unidirectional fluid valve | Daniel A. Japuntich, Vaughn B. Grannis, Anthony B. Ferguson | 2009-02-24 |
| 7428903 | Fibrous filtration face mask having a new unidirectional fluid valve | Daniel A. Japuntich, Vaughn B. Grannis, Anthony B. Ferguson | 2008-09-30 |
| 7311104 | Method of making a filtering face mask that has an exhalation valve | Daniel A. Japuntich, Vaughn B. Grannis, Anthony B. Ferguson | 2007-12-25 |
| 7117868 | Fibrous filtration face mask having a new unidirectional fluid valve | Daniel A. Japuntich, Vaughn B. Grannis, Anthony B. Ferguson | 2006-10-10 |
| 6854463 | Filtering face mask that has a new exhalation valve | Daniel A. Japuntich, Vaughn B. Grannis, Anthony B. Ferguson | 2005-02-15 |
| 6843248 | Filtering face mask that has a new exhalation valve | Daniel A. Japuntich, Vaughn B. Grannis, Anthony B. Ferguson | 2005-01-18 |
| 6148817 | Multi-part headband and respirator mask assembly and process for making same | John W. Bryant, Desmond T. Curran, James F. Dyrud, Christopher P. Henderson, Elfed I. Williams | 2000-11-21 |
| 6070579 | Elastomeric composite headband | John W. Bryant, Desmond T. Curran, James F. Dyrud, Christopher P. Henderson, Dennis L. Krueger +1 more | 2000-06-06 |
| 5724677 | Multi-part headband and respirator mask assembly and process for making same | John W. Bryant, Desmond T. Curran, James F. Dyrud, Christopher P. Henderson, Elfed I. Williams | 1998-03-10 |
| 5509436 | Unidirectional fluid valve | Daniel A. Japuntich, Vaughn B. Grannis, Anthony B. Ferguson | 1996-04-23 |
| 5352513 | Oil, water and sweat repellent microporous membrane materials | James S. Mrozinski | 1994-10-04 |
| 5325892 | Unidirectional fluid valve | Daniel A. Japuntich, Vaughn B. Grannis, Anthony B. Ferguson | 1994-07-05 |
| 5260360 | Oil, water and sweat repellent microporous membrane materials | James S. Mrozinski | 1993-11-09 |
| 5256466 | Article for liquid containment and recovery | Michael R. Berringan | 1993-10-26 |
| 5237986 | Respirator harness assembly | Alex Anthony Wawiluk | 1993-08-24 |
| 4980927 | Adherent protective collars | Alex Anthony Wawiluk, Arthur L. Fry | 1991-01-01 |