Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5100072 | Yarn winding apparatus and method | Hans-Jochen Busch, Siegmar Gerhartz, Erich Lenk, Hermann Westrich | 1992-03-31 |
| 5029762 | Yarn winding apparatus and method | Hans-Jochen Busch, Siegmar Gerhartz, Erich Lenk, Hermann Westrich | 1991-07-09 |