Title:
Presser-foot mechanism for sewing machines
United States Patent 1749529

Inventors:
Feigel, William A.
Publication Date:
03/04/1930
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Assignee:
UNION SPECIAL MACHINE CO
Primary Class:
112/235
Other Classes:
112/151
International Classes:
D05B27/04; D05B29/06; D05B73/12; D05B27/00; D05B29/00; D05B73/00