Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876033 | Moulded bodies containing carbon | Heinz-Jurgen Dziurla, Dieter Freitag, Werner Waldenrath, Claus Burkhardt | 1989-10-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876033 | Moulded bodies containing carbon | Heinz-Jurgen Dziurla, Dieter Freitag, Werner Waldenrath, Claus Burkhardt | 1989-10-24 |