Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8020800 | Mobile rigs | — | 2011-09-20 |
| 7708219 | Mineral breaker | — | 2010-05-04 |
| 7658343 | Drum construction for a mineral breaker | — | 2010-02-09 |
| 7644882 | Rotating mineral breaker | — | 2010-01-12 |
| 7377459 | Tooth construction for a mineral breaker | — | 2008-05-27 |
| 7180105 | Normally off JFET | — | 2007-02-20 |
| 7013937 | Apparatus and process for mining of minerals | — | 2006-03-21 |
| 4799627 | Mineral sizers | — | 1989-01-24 |
| 4781331 | Mineral breaker | — | 1988-11-01 |
| 4733828 | Mineral breaker | — | 1988-03-29 |
| 4585180 | Mineral breakers | — | 1986-04-29 |
| 4258845 | Activator closure for two-compartment vial | — | 1981-03-31 |