Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8414226 | Mine support grout bags and grout packs | — | 2013-04-09 |
| 8070394 | Versatile grout bag type of underground support | — | 2011-12-06 |
| 8021083 | Grout pack assembly | — | 2011-09-20 |
| 7789593 | Grout pack restraining system | — | 2010-09-07 |
| 7654777 | Grout pack restraining system | — | 2010-02-02 |