Signal means usable by golf players
United States Patent 2191683

Inventors:
James, Roberts Thomas
Publication Date:
02/27/1940
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Assignee:
James, Roberts Thomas
Primary Class:
473/211
Other Classes:
473/59, 473/213, 116/67R, 434/252, 273/DIG.017, D11/2, 116/215
International Classes:
A63B69/36