Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849839 | Magnetic tape recording and/or reproducing apparatus rotary head assembly having sweeping device | Tetsuro Tsubota | 1989-07-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849839 | Magnetic tape recording and/or reproducing apparatus rotary head assembly having sweeping device | Tetsuro Tsubota | 1989-07-18 |