Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6680039 | Sulfite treatment of spent industrial wastes | Edward Carroll Hale, III | 2004-01-20 |
| 6476287 | Sulfite treatment of spent industrial wastes | Edward Carroll Hale, III | 2002-11-05 |