Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812019 | Method for producing the first differential of a two-dimensional image and optical structural element for performing the method | Klaus Dietrich | 1989-03-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812019 | Method for producing the first differential of a two-dimensional image and optical structural element for performing the method | Klaus Dietrich | 1989-03-14 |