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United States Patent 2160805

Inventors:
Winegar, Edmund M.
Publication Date:
06/06/1939
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Assignee:
OHIO RUBBER COMPANY
Primary Class:
425/156
Other Classes:
137/625, 100/324, 100/208, 251/251
International Classes:
B29C43/58; B29C33/20; B29C43/10