Title:
AUTOMATIC BASE-BALL-PITCHING MACHINE.
United States Patent 1211738


Inventors:
MARTY BARTLEY N (US)
Application Number:
US9449016A
Filing Date:
04/29/1916
Assignee:
BARTLEY N. MARTY
Primary Class:
Other Classes:
124/1, 124/78, 193/2R
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