Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11554275 | Full face respirator | Tom Malloy, Clive Johnstone | 2023-01-17 |
| 11540567 | Filter frame | Stephen Francis Sanders, Gavin Christopher Shaw, Clive Johnstone | 2023-01-03 |
| 11497260 | Personal respiratory protection device and method of manufacturing a personal respiratory protection device | Clive Johnstone | 2022-11-15 |
| D925724 | Respiratory mask | Gavin Christopher Shaw | 2021-07-20 |
| D899585 | Respiratory mask | Gavin Christopher Shaw | 2020-10-20 |
| 9750960 | Respiratory mask and filter cartridge therefor | Richard James Fleming, Clive Johnstone | 2017-09-05 |
| D757248 | Respiratory mask filter | Richard James Fleming, Clive Johnstone | 2016-05-24 |