Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5337882 | Transport system for mutually independent caddies | Helmut Kohlen, Helmuth Hensen | 1994-08-16 |
| 5310126 | Apparatus for loosening a reserve yarn winding from the periphery of a cop | Helmuth Hensen, Hans Grecksch, Hermann-Josef Meul | 1994-05-10 |