Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5039502 | Process for the preparation of metal nitrates | Gerhardt Horn, Jurgen Lohr, Winfried Materne | 1991-08-13 |
| 4384054 | Asbestos-free friction material | Hans-Gunther Paul | 1983-05-17 |
| 4377040 | Process for the modification of wood | Eberhard Giebeler, Bernhard Bluhm, Arnold Alscher, Gerd Collin, Heinzpeter Nilles | 1983-03-22 |
| 4373038 | Asbestos-free friction material | Hans-Gunther Paul | 1983-02-08 |