Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879475 | Device and method for maintaining a voltage level in a control circuit | Joachim Ruge, Helmut Schlosser | 1989-11-07 |
| 4828191 | Method for sorting cheeses on an automatic winding machine | Joachim Ruge, Ludwig Neuhaus, Ferdinand-Josef Hermanns, Gregor Gebald | 1989-05-09 |
| 4804151 | Method and means for controlling the automatic winding of yarn on a take-up package of a textile winding machine | — | 1989-02-14 |