Speed-responsive presser device for sewing machines
United States Patent 2541888
US Patent References:
/0681684.html
- - 0681684
/1202224.html
- - 1202224
Presser device for sewing machines
- - 2174290
/0681684.html
- - 0681684
/1202224.html
- - 1202224
Presser device for sewing machines
- - 2174290
Inventors:
Pinkvoss, Berthold P.
Publication Date:
02/13/1951
View Patent Images:
Export Citation:
Assignee:
SINGER MFG CO
Primary Class:
Other Classes:
112/239
International Classes:
D05B29/02; D05B29/00