Title:
Insulating bat
United States Patent 1890906

Inventors:
Harney, Francis W.
Publication Date:
12/13/1932
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Assignee:
UPSON CO
Primary Class:
428/103
Other Classes:
428/157, 428/311.910, 428/172, 428/317.700, 428/920
International Classes:
D21J1/16; D21J1/00