Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884975 | Centering strip for use with a backplane printed circuit board | Leo Pelzl, Karl Zell | 1989-12-05 |
| 4840573 | Mechanism for connecting shielding caps of multi-pole plugs to the ground potential layers of a mother board | Leo Pelzl, Karl Zell | 1989-06-20 |
| 4813890 | Centering module for guidance and acceptance of a cable plug with shielding possibility | Karl Zell, Leo Pelzl | 1989-03-21 |
| 4805265 | Hinge for fastening swivelably arranged electrotechnical appliances | Thomas Ehm | 1989-02-21 |