Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7638470 | Cleaning | Paul Duffield, Malcolm McKechnie, Jane Warwick, Matthew White, James L. Young | 2009-12-29 |
| 7566689 | Cleaning method | Malcolm McKechnie, Neil Campbell Muir | 2009-07-28 |