Sewing machine having lower and upper work-feeding members
United States Patent 3196815
US Patent References:
/1060689.html
- - 1060689

Feeding mechanism for sewing machines
- - 2291129

Sewing machines
- - 3040682


Inventors:
Von, Hagen Wolf-rudiger
Publication Date:
07/27/1965
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Assignee:
Duerkoppwerke
Primary Class:
112/311
International Classes:
D05B27/04; D05B27/00