Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853252 | Method and coating material for applying electrically conductive printed patterns to insulating substrates | Juergen Frankel, Antoon Mattelin, Pol Pecceu, Ferdinand Quella, Hans-Fr. Schmidt +2 more | 1989-08-01 |
| 4802061 | Microelectronic components and thick-film hybrid circuits | Michael Portugall, Hans-Josef Sterzel, Gerd Blinne, Heinz-Dieter Vondenhagen, Erhard Seiler +1 more | 1989-01-31 |