Die for phonograph records
United States Patent 1582704

Inventors:
Sylvester, Louis G.
Wells, Cyrus B.
Publication Date:
04/27/1926
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Assignee:
SCRANTON BUTTON COMPANY
Primary Class:
425/407
Other Classes:
165/154, 425/810
International Classes:
B29C33/04; B29C35/00; B29C43/00