Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853093 | Aluminum or an aluminum alloy support material for use in offset printing plates | Renate Ernst | 1989-08-01 |
MB
Michael Brenk
Overall (1989): #77,430 of 140,708Top 60%
1
Patents 1989