Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D322918 | Garden tool for removing rooted plants | David W. Parks, Raymond Green | 1992-01-07 |
| 5005888 | Garden tool for removing plants having roots | David W. Parks, Raymond Green | 1991-04-09 |