Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6960328 | Zirconium phosphate and method of making same | Clive Butler | 2005-11-01 |
| 6936175 | Zirconium phosphate, hafnium phosphate and method of making same | Clive Butler | 2005-08-30 |