Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5169503 | Process for extracting metal values from ores | David R. Baughman, Ray V. Huff | 1992-12-08 |
| 5030036 | Method of isolating contaminated geological formations, soils and aquifers | Ray V. Huff, David R. Baughman | 1991-07-09 |
| 4634187 | Method of in-situ leaching of ores | Ray V. Huff | 1987-01-06 |
| 4386806 | Well repair for in situ leaching | Ray V. Huff, Jerry R. Bergeson | 1983-06-07 |