Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4373247 | Method and device for removing a ring traveller from the ring of a ring-spinning or ring-twisting frame | Ernst Holenstein | 1983-02-15 |
| 4355665 | Heddle | Hans Burkhalter | 1982-10-26 |