Title:
PUSH-PULL SPRING BIASED BAR-BELL TYPE EXERCISING DEVICE
United States Patent 3524644
US Patent References:
Universal exercising device
- - 1698831


Inventors:
Kane, John F.
Publication Date:
08/18/1970
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Assignee:
Kane, John F.
Primary Class:
482/129
Other Classes:
482/38, 482/145
International Classes:
A63B21/04; A63B21/078; A63B21/02; A63B21/06; A63B21/00
Foreign References:
DE456790C




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