Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808026 | Construction apparatus with earth trimmer | Clifford J. Griffith | 1989-02-28 |
| 4789266 | Self-propelled construction apparatus | Clifford J. Griffith | 1988-12-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808026 | Construction apparatus with earth trimmer | Clifford J. Griffith | 1989-02-28 |
| 4789266 | Self-propelled construction apparatus | Clifford J. Griffith | 1988-12-06 |