Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7227882 | System and method of processing electric arc furnace dust | — | 2007-06-05 |
| 7045038 | Process for treating waste oil | — | 2006-05-16 |
| 6640210 | Customer service operation using wav files | Paul Michael Brashear | 2003-10-28 |