Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878444 | Electronic sewing machine and presser foot particularly for buttonhole stitches and process for producing buttonhole stitches utilizing alternately operable sensor | Yasuro Sano, Toru Hyodo, Fumihiko Kobayashi, Takayuki Kawasato, Yasuhiko Osanai | 1989-11-07 |
| 4862816 | Computer operated sewing machine with a mode switching function | Susumu Hanyu | 1989-09-05 |