Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870508 | Record carrier body with an optical servo track and optical apparatus for writing and reading information from the carrier | Gerard E. Van Rosmalen | 1989-09-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870508 | Record carrier body with an optical servo track and optical apparatus for writing and reading information from the carrier | Gerard E. Van Rosmalen | 1989-09-26 |