Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874085 | Storage cassette for high storage density, disc-shaped information carriers | Werner Heher, Adelbert Zielasek, Frederik B. Nusselder | 1989-10-17 |
| 4805770 | Cassette with tray ejection means | Gilbert E. Mestdagh, Masashi Ito | 1989-02-21 |