Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4802029 | Auto-reverse tape recorder | Shinsaku Tanaka | 1989-01-31 |
| 4800451 | Automatic reverse mechanism for tape recorder | Shinsaku Tanaka | 1989-01-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4802029 | Auto-reverse tape recorder | Shinsaku Tanaka | 1989-01-31 |
| 4800451 | Automatic reverse mechanism for tape recorder | Shinsaku Tanaka | 1989-01-24 |