Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5447551 | Method and apparatus for the removal of hydrogen sulfide from a process gas stream | Charles W. Sanzenbacher | 1995-09-05 |
| 5340378 | Method and apparatus for producing low sulfur metallized pellets | — | 1994-08-23 |