Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4329697 | Information record | — | 1982-05-11 |
| 4315269 | Thick protective overcoat layer for optical video disc | Allen Bloom, Sidney S. Seffren, Robert A. Bartolini | 1982-02-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4329697 | Information record | — | 1982-05-11 |
| 4315269 | Thick protective overcoat layer for optical video disc | Allen Bloom, Sidney S. Seffren, Robert A. Bartolini | 1982-02-09 |