Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4404919 | Control system for providing stitch length control of a sewing machine | Charles R. Martell, Elmer N. Leslie, Stephen S. Treadwell | 1983-09-20 |
| 4403558 | Control system for sewing machine | Charles R. Martell, Elmer N. Leslie, Stephen S. Treadwell | 1983-09-13 |
| 4359953 | Control system for sewing machine | Charles R. Martell, Elmer N. Leslie, Stephen S. Treadwell | 1982-11-23 |