Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4827353 | Method of and circuit arrangement for changing the resolution of binary pseudo-halftone pictures | Bernd Ehlers | 1989-05-02 |
GR
Gerhard Renelt
Overall (1989): #111,396 of 140,708Top 80%
1
Patents 1989