Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5879618 | Apparatus for treating fine ore | Ernst Oberndorfer, Gero Tessmer, Roy Hubert Whipp, Jr. | 1999-03-09 |
| 5676734 | Method of treating fine ore | Ernst Oberndorfer, Gero Tessmer, Roy Hubert Whipp, Jr. | 1997-10-14 |