Title:
Practice golf sphere
United States Patent 1842944


Inventors:
O'brien, John R.
Application Number:
US50293730A
Publication Date:
01/26/1932
Filing Date:
12/17/1930
Assignee:
O'brien, John R.
Primary Class:
Other Classes:
473/280, 473/353
International Classes:
A63B69/36
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