Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7311102 | Protective apparel | Grant Stuart Richardson, Christopher John Hindmarsh, Brian Alan Beadle | 2007-12-25 |
| 6821321 | Combined vapor and particulate filter | Matthew Joseph Chinn | 2004-11-23 |