Title:
Orthopaedic exercising device
United States Patent 2817524
US Patent References:
/0979070.html
- - 0979070
Exerciser
- - 1535391
Push-and-pull exerciser
- - 2530921
Push and pull friction type exerciser
- - 2543729
/0979070.html
- - 0979070
Exerciser
- - 1535391
Push-and-pull exerciser
- - 2530921
Push and pull friction type exerciser
- - 2543729
Inventors:
Keith, Sadler Helen
Publication Date:
12/24/1957
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Export Citation:
Assignee:
Keith, Sadler Helen
Primary Class:
Other Classes:
482/118
International Classes:
A63B23/12; A63B21/00; A63B21/015; A63B23/035; A63B21/012