Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10941551 | Drain valve for a sanitary cistern | Johannes Arndt, Gerhard Rothstein | 2021-03-09 |
| 5322564 | Method and apparatus for applying viscous material to a substrate | Ralf Ludwig, Robert G. Murray, Wolfgang Rosteck | 1994-06-21 |
| 4802948 | Apparatus for producing interior trim component for a motor vehicle | Willibald Zimmermann, Klaus Hartmann | 1989-02-07 |
| 4781956 | Interior trim component for a motor vehicle | Willibald Zimmermann, Klaus Hartmann | 1988-11-01 |