Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5171549 | Process for decreasing the level of impurities in zirconium chloride, titanium chloride and hafnium chloride | Ronald E. Walsh, Jr., Roy E. Blackstone, Duane L. Hug | 1992-12-15 |