Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848028 | Injection tool for treating trees | Robert E. Johnson, William R. Dinsmore | 1989-07-18 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848028 | Injection tool for treating trees | Robert E. Johnson, William R. Dinsmore | 1989-07-18 |