Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887284 | Method of checking the presence or absence of an X-ray sheet film in a casette introduced into an apparatus for unloading or loading a sheet film into the cassette, and a device for carrying out the method | Walter Bauer, Manfred Schmidt | 1989-12-12 |