Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863650 | Process for molding and vulcanizing tires and other rubber articles | Winfried Kohler, Wolfgang Fischer | 1989-09-05 |
| 4822579 | Device for the deacidification of water | — | 1989-04-18 |