EXERCISING FRAME FOR STRENGTHENING THE SPINE
United States Patent 3521881
US Patent References:
Walker
- - 1727969

Adjustable invalid walker
- - 3273888

Exercising apparatus to aid in the practice of yoga
- - 3379434


Inventors:
Schaevitz, Herman
Publication Date:
07/28/1970
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Assignee:
Herman, Schaevitz
Primary Class:
482/142
Other Classes:
482/38
International Classes:
A63B1/00; A63B21/002; A63B3/00
Foreign References:
GB978587A
GB1048148A




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