Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7762019 | Plant protective cover | Leon Van Rensburg, Tjaart Andries Du Plessis | 2010-07-27 |
| 7094472 | Radiation treated ethylene polymers and articles made from said polymers | Tjaart Andries Du Plessis, Song Cheng | 2006-08-22 |