Roller-presser mechanism for sewing machines
United States Patent 1823546

Inventors:
Johnson, Edwin W.
Publication Date:
09/15/1931
View Patent Images:
Download PDF 1823546 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
SINGER MFG CO
Primary Class:
112/235
International Classes:
D05B29/10; D05B29/00