Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5618963 | Process for the preparation of sterically hindered hydroxybenzylphosphonates | Hans-Werner Stephan, Walter Wolf | 1997-04-08 |
| 5494565 | Method of producing workpieces of non-corrosion-resistant metals with wear-resistant coatings and articles | Heinz-Guenther Schenzel | 1996-02-27 |