Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6285196 | Process for the electrical testing of the base material for the manufacture of printed circuit boards | — | 2001-09-04 |
| 5662524 | Device for the machining of tube ends | Karl-Josef Esser | 1997-09-02 |
| 4606042 | Method for digital transmission of messages | Klaus-Dieter Kahn, Friedrich-Wilhelm Kuehne | 1986-08-12 |