Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847139 | Flexible circuits | Kirkor Sirinyan, Ulrich von Gizycki, Rudolf Merten | 1989-07-11 |
| 4832989 | Method of improving the bond strength of electrolessly deposited metal layers on plastic-material surfaces | Henning Giesecke, Joachim Probst, Klaus Schuster | 1989-05-23 |
| 4830714 | Process for the production of printed circuit boards | Kirkor Sirinyan, Ulrich von Gizycki, Rudolf Merten | 1989-05-16 |
| 4804475 | Metallized membrane systems | Kirkor Sirinyan, Karlheinz Hildenbrand, Ulrich von Gizycki, Rudolf Merten, Hermann Perrey | 1989-02-14 |