Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12370386 | Flat-fold respirator having flanges disposed on the mask body | Dean R. Duffy, Thomas I. Insley | 2025-07-29 |
| 11320856 | Display systems and devices | James K. Magargee, Jacob T. Lusson, Alonso M. Hernandez | 2022-05-03 |
| 11083916 | Flat fold respirator having flanges disposed on the mask body | Dean R. Duffy, Thomas I. Insley | 2021-08-10 |
| 8640704 | Flat-fold filtering face-piece respirator having structural weld pattern | Dean R. Duffy, Nhat Ha T. Nguyen | 2014-02-04 |
| D667541 | Bond pattern on a personal respiratory protection mask | Dean R. Duffy | 2012-09-18 |
| D659820 | Tabs on a personal respiratory protection mask | Nathan A. Abel, Dean R. Duffy | 2012-05-15 |
| D659821 | Triangular bond pattern on a personal respiratory protection mask | Dean R. Duffy | 2012-05-15 |