Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876033 | Moulded bodies containing carbon | Heinz-Jurgen Dziurla, Dieter Freitag, Werner Waldenrath, Bernhard Schulte | 1989-10-24 |
| 4841726 | Gas turbine jet engine of multi-shaft double-flow construction | — | 1989-06-27 |
| 4810321 | Process for the preparation of a metal-plastic laminate | Joachim Wank, Hans-Wolfgang Schmoranzer | 1989-03-07 |