Issued Patents All Time
Showing 25 most recent of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12390670 | Dual mode respirator | Sukwon Kang | 2025-08-19 |
| 12336884 | Foam earplug with transdermal material | James Hornstein, Fred Joseph Ryan | 2025-06-24 |
| 12329612 | Foam earplug with transdermal material | James Hornstein, Fred Joseph Ryan | 2025-06-17 |
| 12310821 | Foam earplug with transdermal material | James Hornstein, Fred Joseph Ryan | 2025-05-27 |
| 12138495 | Filter and method | Crest Turdjian | 2024-11-12 |
| 12082994 | Foam earplug with transdermal material | James Hornstein, Fred Joseph Ryan | 2024-09-10 |
| D1021095 | Filter cartridge for a filter facepiece | Crest Turdjian | 2024-04-02 |
| D1019951 | Filter cartridge for a filter facepiece | Crest Turdjian | 2024-03-26 |
| 11872416 | Filter and method | Crest Turdjian | 2024-01-16 |
| D989284 | Respiration facepiece | Sukwon Kang, Ryan Menezes | 2023-06-13 |
| D983963 | Exoskeleton for a respirator mask | Sukwon Kang, Ryan Menezes | 2023-04-18 |
| D913681 | Two-compartment earplug container | Terry L. Grimsley | 2021-03-23 |
| 10834980 | Pleated filtering face piece respirator | Crest Turdjian | 2020-11-17 |
| D901291 | Container | Terry L. Grimsley | 2020-11-10 |
| D901292 | Container with eyelet | Terry L. Grimsley | 2020-11-10 |
| 10441469 | Corded earplug | Crest Turdjian, Fred Joseph Ryan | 2019-10-15 |
| D700317 | Pleated respirator mask | Crest Turdjian, Terry L. Grimsley | 2014-02-25 |
| 8413663 | Push-in type of earplug with improved insertion stem | Crest Turdjian | 2013-04-09 |
| D677779 | Pleated respirator mask | Crest Turdjian, Terry L. Grimsley | 2013-03-12 |
| D624999 | Earplug | Crest Turdjian | 2010-10-05 |
| D536089 | Earplug | Norman John Smith | 2007-01-30 |
| 7107993 | Earplug | — | 2006-09-19 |
| 6571797 | Single strap respirator mask with head harness | K. Crest Turdjian | 2003-06-03 |
| D464469 | Headband with yoke | Dan Dix, Terry L. Grimsley, Norman John Smith, Stephen E. Young | 2002-10-15 |
| D463857 | Headband | Dan Dix, Terry L. Grimsley | 2002-10-01 |