Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7312185 | Rock bit grease composition | Ryan Willey, Scott Willey | 2007-12-25 |
| 6056072 | Lubricating grease | Terry J. Koltermann | 2000-05-02 |
| 5891830 | Lubricating grease | Terry J. Koltermann | 1999-04-06 |