Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7037046 | Yielding strata bolt | — | 2006-05-02 |
| 7037058 | Resin embedded rock bolt | — | 2006-05-02 |
| D496471 | Threaded rod | — | 2004-09-21 |
| D473126 | Mine bolt | — | 2003-04-15 |
| D470041 | Rock bolt support plate | — | 2003-02-11 |
| D468753 | Mine bolt driver | — | 2003-01-14 |
| 6447228 | Rock bolt and method of forming a rock bolt | — | 2002-09-10 |
| 6033153 | Rock bolt and method of installing a rock bolt | — | 2000-03-07 |
| 5885034 | Washer for use in mining | — | 1999-03-23 |
| 5791828 | Plate for use in support of a mine roof | — | 1998-08-11 |