Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7380669 | Apparatus and method for sorting and recombining minerals into a desired mixture | Earl L. Hacking, Jr. | 2008-06-03 |
| 6085912 | Apparatus for sorting and recombining minerals background of the invention | Earl L. Hacking, Jr. | 2000-07-11 |