Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4897910 | Method for removing sprinkler pipe from a field | William D. Miller, Omar L. Stiff | 1990-02-06 |
| 4553900 | Apparatus for removing sprinkler pipe from a field | William D. Miller, Omar L. Stiff | 1985-11-19 |