Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6780384 | Method and system for recovering zirconium values from a hard rock ore containing uranium | Allen L. Williams, Robert W. Philips, Jr., Daniel R. Dilday, Jr. | 2004-08-24 |
| 5787332 | Process for recovering tantalum and/or niobium compounds from composites containing a variety of metal compounds | William D. Black, Henrietta Notzl-Loiselle | 1998-07-28 |