Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872648 | Reaction vessel for processing steel | Heinz Holtermann | 1989-10-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872648 | Reaction vessel for processing steel | Heinz Holtermann | 1989-10-10 |