Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848686 | Bobbin tube and package support and bearing unit therefor and filament tape-up system | Robert Demuth, Walter Hefti, Urs Keller | 1989-07-18 |
| 4848689 | Package former support device | Robert Demuth | 1989-07-18 |