Rubber cord skipping rope and exerciser
United States Patent 3415515
US Patent References:
Progressive exerciser
- - 1538845
Skipping device
- - 1584122
Jumping rope
- - 1817616
Adjustable skipping rope
- - 2723121
Lariat designed for skipping and spinning
- - 3249356
Progressive exerciser
- - 1538845
Skipping device
- - 1584122
Jumping rope
- - 1817616
Adjustable skipping rope
- - 2723121
Lariat designed for skipping and spinning
- - 3249356
Inventors:
Otto, Jan H.
Publication Date:
12/10/1968
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Primary Class:
Other Classes:
482/129
International Classes:
A63B5/20; A63B21/055; A63B5/00; A63B21/02