Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5797974 | Respiratory filter and sampling device | Dennis K. Flaherty, Paul M. Taylor, Frank D. Zielinski | 1998-08-25 |
| 5776213 | Respiratory filter and sampling device | Dennis K. Flaherty, Paul M. Taylor, Frank D. Zielinski | 1998-07-07 |
| 5766286 | Respiratory filter and sampling device | Dennis K. Flaherty, Paul M. Taylor, Frank D. Zielinski | 1998-06-16 |
| 5766287 | Respiratory filter and sampling device | Dennis K. Flaherty, Paul M. Taylor, Frank D. Zielinski | 1998-06-16 |