Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4222071 | Sensitivity information record | Robert A. Bartolini | 1980-09-09 |
| 4216501 | Optical anti-reflective information record | — | 1980-08-05 |
| 4195312 | Recorder and antireflective record blank having an optically passive transparent layer | Robert A. Bartolini | 1980-03-25 |
| 4195313 | Antireflective information record having an optically passive transparent layer | Robert A. Bartolini | 1980-03-25 |
| 4189735 | Record playback apparatus and information record therefor | Robert A. Bartolini, Rabah Shahbender, Brown F. Williams | 1980-02-19 |