Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6689354 | Immunogenic preparation and method for improving the productivity of ruminant animals | Gnanapragasam Gnanasampanthan, Douglas Barrie Purser, Ronald M. Hoskinson | 2004-02-10 |
| 6166382 | Method for determining feed quality | David Andrew Henry, Douglas Barrie Purser, Robyn Ann Dynes, Brett Steven Wallington | 2000-12-26 |
| 6036950 | Method for improving utilisation of nutrients by ruminant or ruminant-like animals | — | 2000-03-14 |
| 5922702 | Ecdysones used to improve productivity of ruminants | Douglas Barrie Purser | 1999-07-13 |