Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7476300 | Process for extracting and recovering metals from aqueous solutions | Edward C. Weakly, Joseph N. Ignat | 2009-01-13 |
| 6673321 | Apparatus and process for extracting and recovering metals from aqueous solutions | Edward C. Weakly, Joseph N. Ignat | 2004-01-06 |
| 6267871 | Apparatus and process for recovering metals from aqueous solutions | Edward C. Weakly | 2001-07-31 |