Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4924914 | Weaving a slide-fastener stringer half with an integral coupling coil | — | 1990-05-15 |
| 4492098 | Method of making a slide fastener coupling strip | — | 1985-01-08 |
| 4418449 | Slide fastener | Helmut Wulz | 1983-12-06 |
| 4352654 | Apparatus for the production of small synthetic resin articles | — | 1982-10-05 |
| 4330244 | Apparatus for producing coupling elements for slide-fastener stringer | — | 1982-05-18 |
| 4205027 | Method of thermofixing continuous coupling elements of synthetic-resin monofilament for use in slide-fastener stringers | — | 1980-05-27 |