Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839880 | Apparatus for loading record discs of different diameters in disc players | Stephane M. d'Alayer de Costenore d'Arc | 1989-06-13 |
| 4833552 | Top loading record changer mechanism with removable magazine supported for swiveling between a top loading position and an operating position angularly displaced therefrom | Louis P. C. Agostini | 1989-05-23 |