Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7443125 | Power conversion apparatus | Andrew Charlton Clothier, Stephen Greetham, Mark Henry Haywood, Nigel James Leighton | 2008-10-28 |
| 6922912 | Drying apparatus | — | 2005-08-02 |
| 6316858 | Motor | — | 2001-11-13 |