Title:
Toy exercise device with rotatable rings
United States Patent 3306612
Inventors:
Rosen, Leonard B.
Publication Date:
02/28/1967
Export Citation:
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Assignee:
Rosen, Leonard B.
Primary Class:
273/440
Other Classes:
446/266, 482/44, 482/110
International Classes:
A63B67/08; A63B67/08
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US Patent References:
3194558Whirling amusement device
2956369Toy
1858145Toy