Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4616989 | Apparatus for the incorporation of glass fibers into thermoplastic synthetic resins | Heinz Mewes, Michael Wienand, by Anneliese Wienand, legal representative, by Hans-Jurg W. Wienand, heir, by Michael Wienand, heir +3 more | 1986-10-14 |
| 4280802 | Screw-type extruder for polyvinylidene fluoride filaments | Egon Lang | 1981-07-28 |
| 4264555 | Process for production of monofilaments from polyvinylidene fluoride | Egon Lang, Joachim Stark | 1981-04-28 |