Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816115 | Process of making via holes in a double-layer insulation | Reinhold Muhl, Hans-Joachim Trumpp | 1989-03-28 |
EH
Eva Horner
Overall (1989): #35,791 of 140,708Top 30%
1
Patents 1989