Issued Patents 1989
Showing 1–1 of 1 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 |