Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D893325 | Measurable guiding tool for sewing machine | Nancy L. Zieman, Yuji Kawasaki | 2020-08-18 |
| 10729198 | Seam ripper | Atsushi Tanaka | 2020-08-04 |
| D877487 | Retractable seam ripper | Atsushi Tanaka | 2020-03-10 |