Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5172540 | Apparatus for changing bobbin tubes and tube gripper therefor | Joerg Wernli, Daniel Brennwalder, Markus Erni, Isidor Fritschi | 1992-12-22 |
| 5029438 | Apparatus for changing bobbin tubes and tube gripper therefor | Joerg Wernli, Daniel Brennwalder, Markus Erni, Isidor Fritschi | 1991-07-09 |
| 5014505 | Apparatus for changing bobbin tubes and tube gripper therefor | Joerg Wernli, Daniel Brennwalder, Markus Erni, Isidor Fritschi | 1991-05-14 |