Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4746428 | Filter plate | Franz Heckl | 1988-05-24 |
| 4423933 | Reader for microfiches with a display for image-field coordinates | Karl-Gu/ nther Behr | 1984-01-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4746428 | Filter plate | Franz Heckl | 1988-05-24 |
| 4423933 | Reader for microfiches with a display for image-field coordinates | Karl-Gu/ nther Behr | 1984-01-03 |