Title:
Manufacture of insoles
United States Patent 1830428


Inventors:
Ellis, Elmer A.
Application Number:
US40575729A
Publication Date:
11/03/1931
Filing Date:
11/08/1929
Assignee:
BOSTON BLACKING COMPANY INC
Primary Class:
Other Classes:
12/20.2, 523/167, 524/77, 524/925
International Classes:
A43B13/39; A43D25/18; A43D43/06
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