Hat expander
United States Patent 2577167
US Patent References:
Hat block
- - 1903912

/2075626.html
- - 2075626

Four-way hat expander
- - 2434184


Inventors:
George, Vlasis
Publication Date:
12/04/1951
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Assignee:
George, Vlasis
Primary Class:
223/25
Other Classes:
403/44, 33/514.200, 33/2R, 403/27
International Classes:
A42C3/00
Foreign References:
GB188515661A