Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6733767 | Liquid polymeric compositions for controlled release of bioactive substances | Rey T. Chern | 2004-05-11 |
| 6136838 | Sulfurpentafluorophenylpyrazoles for controlling ectoparasitic infestations | Rey T. Chern, Jeffrey N. Clark, Marlene D. Drag | 2000-10-24 |
| 5122128 | Orifice insert for a ruminal bolus | John R. Cardinal, Paul K. Wilkinson | 1992-06-16 |
| 4872873 | Controlled release bolus device | — | 1989-10-10 |