Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5869810 | Impedance-heated furnace | Gary L. White | 1999-02-09 |
| 5269906 | Process for the recovery of oil from waste oil sludges | Steven R. Heuer | 1993-12-14 |
| 4990237 | Process for the recovery of oil from waste oil sludges | Steven R. Heuer | 1991-02-05 |