Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4648900 | Suction sintering method and apparatus therefor | Olle Bostrom | 1987-03-10 |
| 4436529 | Method for removing sulphur in conjunction with the gasification of carbonaceous material in metal smelts | Per A. H. H. Fahlstrom | 1984-03-13 |
| 4345990 | Method for recovering oil and/or gas from carbonaceous materials | Per A. H. H. Fahlstrom | 1982-08-24 |