Spring roller-type exerciser
United States Patent 2821394
US Patent References:
/0808706.html
- - 0808706
Exercising device
- - 1824920
Bar bell
- - 2447218
Apparatus for limb reeducation
- - 2642286
/0808706.html
- - 0808706
Exercising device
- - 1824920
Bar bell
- - 2447218
Apparatus for limb reeducation
- - 2642286
Inventors:
Barbeau, Raymond J. M.
Publication Date:
01/28/1958
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Assignee:
Barbeau, Raymond J. M.
Primary Class:
Other Classes:
482/108, D24/211, 482/127
International Classes:
A63B22/20; A63B22/00
Foreign References:
| DE634093C | ||||
| DE663233C |