Title:
AMUSEMENT AND EXERCISE APPARATUS
United States Patent 3550312

Inventors:
East, Yale W.
Publication Date:
12/29/1970
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Assignee:
Yale, East W.
Primary Class:
446/247
Other Classes:
482/44, D21/679, 482/110
International Classes:
A63B67/10; A63H5/00




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