Title:
Portable and demountable recreational apparatus
United States Patent 3339925

Inventors:
Nissen, George P.
Publication Date:
09/05/1967
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Assignee:
NISSEN CORP
Primary Class:
Other Classes:
273/410, 482/29, 182/139, 182/137
International Classes:
A63B5/11; A63B69/00; A63B5/00