Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4407725 | Regeneration of activated carbon | William W. Berry, Robert W. Leibfried | 1983-10-04 |
| 4341638 | Purification of phosphoric acid | William W. Berry | 1982-07-27 |
| 4278640 | Method for solvent extraction of metallic mineral values from acidic solutions | William W. Berry | 1981-07-14 |
| 4256570 | Purification of phosphoric acid | William W. Berry | 1981-03-17 |