Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4470130 | Apparatus for lifting and lowering a linear tracking tone arm in a record player | Akira Yamanaka | 1984-09-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4470130 | Apparatus for lifting and lowering a linear tracking tone arm in a record player | Akira Yamanaka | 1984-09-04 |