Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7893680 | Power control using at least 540 degrees of phase | Barry Thurlow, Duncan I. Stevenson, Scott M. Potter | 2011-02-22 |
| 6687479 | Paper input guide for a transfer zone in a xerographic printing apparatus | Gerardo Leute, Ian Brailsford, Stan Alan Spencer, Roger D. Masham, Derek J. Milton +12 more | 2004-02-03 |
| 5621513 | Electrically biased sheet stripping apparatus | Ian Pitts, Derek J. Milton | 1997-04-15 |
| 5272509 | Liquid dispensing apparatus | Ian Pitts, James E. Knight, Duncan I. Stevenson, Andrew E. Taylor | 1993-12-21 |