Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4803932 | Burner for a suspension of fine-grained coal in liquid | Olle L. Siwersson, Jan A. T. Loodberg | 1989-02-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4803932 | Burner for a suspension of fine-grained coal in liquid | Olle L. Siwersson, Jan A. T. Loodberg | 1989-02-14 |