| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 242/155R | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 35,542 | Jun. 10, 1862 | P. Pryibil | Improved tension-regulator for sewing machines | ||
| 102,787 | May 10, 1870 | G.L. Du Laney | Improvement in tension-devices for thread in sewing-machines | sewing machines | |
| 2,320,264 | May 25, 1943 | P.E. Chapman, Sr. | Wire tensioning device | electric motor making | |