Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5989435 | Method for magnetically filtering wastewaters containing oil-coated mill scale | Stewart T. Herman, Richard W. Faupel | 1999-11-23 |
| 5792364 | Wastewater treatment process for vacuum degasser effluent | Stewart T. Herman | 1998-08-11 |
| 5766450 | Apparatus for magnetically filtering wastewaters containing oil-coated mill scale | Stewart T. Herman, Richard W. Faupel | 1998-06-16 |