Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6612069 | Retrofitting aerating root pruner | Daniel P. Dunbar, Teresa M. Locke | 2003-09-02 |
| 6550182 | Implantable aerating root pruner | Daniel P. Dunbar, Teresa M. Locke | 2003-04-22 |