Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874529 | Process and apparatus for reducing the concentration of suspended solids in clarified geothermal brine | John L. Featherstone, David G. Newell, Darrell L. Gallup | 1989-10-17 |