Title:
Top feed attachments for sewing machines
United States Patent 2967498

Inventors:
Russell, Harvey W.
Richard, Russell
Publication Date:
01/10/1961
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Assignee:
WILLCOX & GIBBS SEWING MACHINE
Primary Class:
112/311
Other Classes:
112/70, 112/314
International Classes:
D05B27/04; D05B29/06; D05B73/12; D05B27/00; D05B29/00; D05B73/00
US Patent References:
2549057Sewing machine
2771848Feeding mechanisms for sewing machines
Foreign References:
GB186401527A
DE25268C