Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12070633 | Unitary respirator with molded thermoset elastomeric elements | Paul J. Flannigan, Johannes Hoogenraad | 2024-08-27 |
| 11701528 | Unitary respirator with molded thermoset elastomeric elements | Paul J. Flannigan, Johannes Hoogenraad | 2023-07-18 |
| 10065056 | Unitary respirator with molded thermoset elastomeric elements | Paul J. Flannigan, Johannes Hoogenraad | 2018-09-04 |
| 8820326 | Respirator facepiece with thermoset elastomeric face seal | Paul J. Flannigan, Johannes Hoogenraad | 2014-09-02 |
| D426298 | Full-face respirator lens | Vaughn B. Grannis, Joseph G. Reischel, Gerald M. Brostrom, David C. Byram | 2000-06-06 |
| D421301 | Two position pressure demand inlet port adaptor | Joseph G. Reischel, Michael Bartholomew | 2000-02-29 |
| D421118 | Inlet port adaptor on a full-face respirator lens | Joseph G. Reischel, Frank J. Fabin, Michael Bartholomew | 2000-02-22 |
| 5924420 | Full face respirator mask having integral connectors disposed in lens area | Joseph G. Reischel, Vaughn B. Grannis | 1999-07-20 |
| D409744 | Full face respirator lens | Vaughn B. Grannis, Joseph G. Reischel, Gerald M. Brostrom, David C. Byram | 1999-05-11 |
| D388872 | Full face respirator lens | Vaughn B. Grannis, Joseph G. Reischel, Gerald M. Brostrom, David C. Byram | 1998-01-06 |
| D378610 | Full face respirator | Joseph G. Reischel, Gerald M. Brostrom, David C. Byram, Vaughn B. Grannis | 1997-03-25 |