Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873821 | Apparatus and process for forming alternate twist plied yarn | Donald E. Hallam, Peter Popper, Harold F. Staunton, Robert Edward Taylor | 1989-10-17 |
| 4802330 | Combined carpet yarns by open end rotor spinning | Peter Artzt, Gerhard Egbers, Ullrich Stark, Heinz Muller | 1989-02-07 |