Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5699658 | Pot spinning machine | Hans-Jürgen Heinrich, Volker Roland, Peter Voidel | 1997-12-23 |
| 5613355 | Method for rewinding a spinning cake in a pot spinning apparatus | Volker Roland, Peter Voidel | 1997-03-25 |