Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691610 | Process for reducing the friction between a rotating head drum and recording medium in tape form during winding operation | — | 1997-11-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691610 | Process for reducing the friction between a rotating head drum and recording medium in tape form during winding operation | — | 1997-11-25 |