Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6169157 | Method for producing semi-rigid compact or cellular shaped bodies with a PUR base and the stabilization thereof; shaped bodies produced according to said method and the use thereof | Erhard Michels, Hans-Norbert Dick | 2001-01-02 |
| 6147181 | Two step procedure for the production of semi-hard solid polyurethane molded bodies | Erhard Michels, Franz Scholtis | 2000-11-14 |