Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846419 | Cassette reel having an indicator for tape volume with an upper flange | Shigeru Tateno | 1989-07-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846419 | Cassette reel having an indicator for tape volume with an upper flange | Shigeru Tateno | 1989-07-11 |