Physical conditioning device having elastic strands
United States Patent 3193288
US Patent References:
/0165333.html
- - 0165333

/0363755.html
- - 0363755

/1258580.html
- - 1258580


Inventors:
Spain, Vell DE. LE.
Evans, Charles D.
Publication Date:
07/06/1965
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Assignee:
Spain, Vell DE. LE.
Evans, Charles D.
Primary Class:
482/129
Other Classes:
403/209
International Classes:
A63B21/055; A63B21/02
Foreign References:
DE436348C
FR492363A