Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5445768 | Method and device for manufacturing a spun fleece | Ulrich Freudenberg, Christoph Josefiak, Peter Barth, Bernd Dietrich | 1995-08-29 |
| 5419794 | Method and apparatus for manufacturing textile | Ulrich Freudenberg, Christoph Josefiak, Peter Barth, Bernd Dietrich | 1995-05-30 |
| 5387382 | Method for manufacturing interior fitted part for motor vehicle | Walter Fottinger, Hansjorg Grimm, Hans Hettenbach, Patra Hofmann, Gerhard Schaut | 1995-02-07 |
| 4886527 | Multilayer electret filter and process of using same | Walter Fottinger, Arnold Weghmann | 1989-12-12 |