Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5231072 | Sulphonamide herbicides | David P. Astles, Andrew Flood, Trevor William Newton | 1993-07-27 |
| 5158599 | Sulphonamide herbicides | David P. Astles, Andrew Flood, Trevor William Newton | 1992-10-27 |
| 5139563 | Herbicidal compounds | David P. Astles, Andrew Flood, Alastair McArthur, Trevor William Newton, John E. Spencer | 1992-08-18 |