Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703762 | Arrangement for connecting wiring backplanes and module circuit boards | Karl Zell | 1997-12-30 |
| 5639263 | Plug-type connector between wiring backplanes and assembly printed circuit boards | Karl Zell | 1997-06-17 |
| 5632652 | Plug-type connector for backplane wirings | Karl Zell, Juergen Seibold | 1997-05-27 |
| 5619372 | Stereomicroscope for making transparent media visible and method therefor | Thomas Hellmuth, Peter Schaffer | 1997-04-08 |