Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4248934 | Fibre and filament mixtures containing high-shrinkage bifilar poly(mod)acrylic filaments or fibres modified with carbon black | Martin Wandel, Helmut Engelhard, Manfred Reichardt, Geert Christoph | 1981-02-03 |