Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6863873 | Process to produce simonkolleite, zinc oxide and zinc hydroxide | Nick A. Wolf, Tonya F. Yoder | 2005-03-08 |
| 6770249 | Process to selectively recover metals from waste dusts, sludges and ores | Nick A. Wolf, Tonya F. Yoder | 2004-08-03 |