Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834835 | Producing viaholes in plastic sheets and application of the method | Werner Cziep, Wolf-Dieter Ruh | 1989-05-30 |
UK
Ulrich Kuenzel
Overall (1989): #47,088 of 140,708Top 35%
1
Patents 1989