Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5116518 | Process for the purification of dimethyl terephthalate | Wilfried Bachmann, Rolf Bader, Edgar Wetzel | 1992-05-26 |
| 5104052 | Method and apparatus for drawing out and subsequently rewinding a yarn end onto a textile yarn package | Edmund Wey, Johann Blask, Hermann Rutten, Manfred Anderheggen, Uwe Fabelji | 1992-04-14 |