Sewing machine upper feed control
United States Patent 3191561
US Patent References:
/1060689.html
- - 1060689

Feeding mechanism for sewing machines
- - 2291129


Inventors:
Karl, Nicolay
Publication Date:
06/29/1965
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Assignee:
Duerkoppwerke
Primary Class:
112/320
International Classes:
D05B27/04; D05B27/00
Foreign References:
GB688957A