Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7296305 | Adjustable headband | Kevin R. Ketterer, Gregoire Aby-Eva, F. Joseph Hersick, Anthony Scoccimerra, Jr., Robert E. Bechtold | 2007-11-20 |
| 7261104 | Respirator facepieces | Eileen Kiefer, Mark Cavaliere, Roger P. Wolf, Klaus Schmidke | 2007-08-28 |
| 7089603 | Adjustable headband | Kevin R. Ketterer, Gregoire Aby-Eva, F. Joseph Hersick | 2006-08-15 |
| 6481023 | Suspension for protective headgear | Layton A. Wise, James A. Hendrickson, Glenn C. Davis, James G. Tomlinson | 2002-11-19 |
| 6345620 | Flexible respirator filter | Thomas M. Salapow, Roger P. Wolf | 2002-02-12 |