Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821048 | Area exposure apparatus for exposing an area of text on a recording carrier and method for conducting the area exposure | Hans-Henning Thiessen | 1989-04-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821048 | Area exposure apparatus for exposing an area of text on a recording carrier and method for conducting the area exposure | Hans-Henning Thiessen | 1989-04-11 |