Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816225 | Apparatus for the purification of contaminated sulfur | Ferdinand Werni | 1989-03-28 |
| 4507335 | Method and apparatus for pelletizing sulphur | — | 1985-03-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816225 | Apparatus for the purification of contaminated sulfur | Ferdinand Werni | 1989-03-28 |
| 4507335 | Method and apparatus for pelletizing sulphur | — | 1985-03-26 |