Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6484439 | Irrigation device | Mark Christopher Tonkin, Mark Young, Olaf Norbert Kirchner | 2002-11-26 |
| 6453610 | Method for modifying root growth | Mark Christopher Tonkin, Mark Young, Olaf Norbert Kirchner | 2002-09-24 |