Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4414907 | Buttonhole width adjusting mechanism | — | 1983-11-15 |
| 4269129 | Retractable retaining device for sewing machine support plate | — | 1981-05-26 |
| 4241678 | Device for automatically threading a sewing machine | — | 1980-12-30 |
| 4187794 | Sewing machine work feeding mechanism | Roger J. Ross | 1980-02-12 |