Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4616989 | Apparatus for the incorporation of glass fibers into thermoplastic synthetic resins | Wilhelm Nachtigall, Michael Wienand, by Anneliese Wienand, legal representative, by Hans-Jurg W. Wienand, heir, by Michael Wienand, heir +3 more | 1986-10-14 |