Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6945340 | Roof bit and insert assembly | Douglas E. Bise, Phillip W. Haga | 2005-09-20 |
| 6924454 | Method of making an abrasive water jet with superhard materials | John J. Prizzi, David R. Siddle | 2005-08-02 |