Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4565140 | Method and apparatus for automatically adjusting the sensitivity of edge sensors in a semi-automatic sewing machine | Charles R. Martell, Stephen S. Treadwell | 1986-01-21 |
| 4548143 | Method and apparatus for varying the length or stitches sewn by a sewing machine in dependence upon sewing speed | Charles R. Martell, Stephen S. Treadwell | 1985-10-22 |
| 4545310 | Method and apparatus for accurately controlling the seam margins produced by a semi-automatic sewing machine | Stephen S. Treadwell | 1985-10-08 |
| 4513676 | Method and apparatus for automatically decelerating and stopping a sewing machine motor | Charles R. Martell, Paul A. Abney | 1985-04-30 |