Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5952404 | Gloss emulsion paints | Leslie Ainsley Simpson, Steven Hugh Ashdown, Lisa Blakey | 1999-09-14 |
| 5869559 | Composite pigmentary material | Leslie Ainsley Simpson, Daniel James Rutherford, Michael John Trendell | 1999-02-09 |
| 5672201 | Composite pigmentary material | Leslie Ainsley Simpson, David Trevor Knight, Ronald Brown | 1997-09-30 |
| 5643974 | Composite pigmentary material | Leslie Ainsley Simpson, David Trevor Knight, Martin Alec Williamson | 1997-07-01 |
| 5622628 | Titanium dioxide slurries concentration | Michael John Trendell, Kevin Drury, Stephen Robert Spruce, Martin Davis | 1997-04-22 |
| 5129221 | Gas turbine engine fuel control system with enhanced relight capability | Joseph H. Walker, Malcolm R. Sellar, William Gordon Mansfield, Donald A. Yates | 1992-07-14 |