Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804477 | Apparatus and method for processing oil well brine | David G. Austin | 1989-02-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804477 | Apparatus and method for processing oil well brine | David G. Austin | 1989-02-14 |