Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889062 | Sewing machine with means for feeding a workpiece in two directions | — | 1989-12-26 |
| 4887307 | Speed control apparatus for electric motor | Takashi Nakamura | 1989-12-12 |
| 4841206 | Speed control device for an electronic sewing machine | Takeshi Kongo | 1989-06-20 |