Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6460319 | Vegetation trimming and edging device with adjustable head orientation | James D. Marshall, Michael A. Milligan | 2002-10-08 |
| 6301866 | Vegetation trimming and edging device with adjustable head orientation | James D. Marshall, Michael A. Milligan | 2001-10-16 |