Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5468381 | Magnetic filter adapter | — | 1995-11-21 |
| 4546835 | Horizontal earth boring directional guide | Fred M. Peterson | 1985-10-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5468381 | Magnetic filter adapter | — | 1995-11-21 |
| 4546835 | Horizontal earth boring directional guide | Fred M. Peterson | 1985-10-15 |