Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5632872 | Composite electrical electrode and a method for forming the same | — | 1997-05-27 |
| 5544760 | Flotation of lead sulfides using rapeseed oil | Freddy W. Benn, William L. Cornell | 1996-08-13 |