Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5286427 | Method of environmental cleanup and producing building material using copper mine tailings waste material | — | 1994-02-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5286427 | Method of environmental cleanup and producing building material using copper mine tailings waste material | — | 1994-02-15 |