Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872906 | Process and plant for producing binder-free hot briquettes | Rudolf Auth, Lothar Seidelmann | 1989-10-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872906 | Process and plant for producing binder-free hot briquettes | Rudolf Auth, Lothar Seidelmann | 1989-10-10 |