Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690178 | Sod cutter | William H. Oliver | 1997-11-25 |
| 5119880 | Aerating apparatus | William H. Oliver | 1992-06-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690178 | Sod cutter | William H. Oliver | 1997-11-25 |
| 5119880 | Aerating apparatus | William H. Oliver | 1992-06-09 |