Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8377409 | Methods for making brines | — | 2013-02-19 |
| 7131470 | Fence router table system | — | 2006-11-07 |
| 6737030 | Method for separating hafnium from zirconium | Jeff G. Perrine | 2004-05-18 |
| 6358484 | Process for recovery of zirconium basic sulfate | — | 2002-03-19 |
| 5581003 | Method for making soluble zirconium and hafnium organic acid complexes | — | 1996-12-03 |
| 5569440 | Process for the reduction of carbochlorination residue | — | 1996-10-29 |
| 5306479 | Process for synthesizing niobium dioxide and mixed metal oxides containing niobium | — | 1994-04-26 |
| 5234674 | Process for the preparation of metal carbides | — | 1993-08-10 |
| 5211921 | Process of making niobium oxide | Verlin Q. Perkins | 1993-05-18 |
| 5188810 | Process for making niobium oxide | — | 1993-02-23 |
| 4948570 | Process for lowering residual tantalum values in niobium | — | 1990-08-14 |
| 4910009 | Ultra high purity halides and their preparation | — | 1990-03-20 |