Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5013428 | Recovery of oil from a shale containing the same | Ben A. Christolini, Kimanh T. Le, Steven E. Howe | 1991-05-07 |
| 4936514 | Low speed shut down method for high temperature hammer mills | — | 1990-06-26 |
| 4798343 | Low speed shut down apparatus and method for high temperature hammer mills | — | 1989-01-17 |