Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4320489 | Reversible optical storage medium and a method for recording information therein | Richard S. Crandall | 1982-03-16 |
| 4315269 | Thick protective overcoat layer for optical video disc | Sidney S. Seffren, Alan E. Bell, Robert A. Bartolini | 1982-02-09 |
| 4313188 | Method of recording an ablative optical recording medium | Robert A. Bartolini, William J. Burke | 1982-01-26 |