Title:
Ball-throwing device
United States Patent 1912360


Inventors:
Paine, Blanchard Elias
Application Number:
US40803129A
Publication Date:
06/06/1933
Filing Date:
11/18/1929
Assignee:
Paine, Blanchard Elias
Primary Class:
Other Classes:
124/36
International Classes:
A63B69/40
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