Collapsibly supported platform with adjustable tensioning means
United States Patent 3356366
US Patent References:
/0527594.html
- - 0527594

/0978447.html
- - 0978447

Bounding bed
- - 3004623

Water-borne trampoline
- - 3047294

Supporting stand for rebound tumbling apparatus
- - 3116809


Inventors:
Johann, Barthel
Publication Date:
12/05/1967
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Assignee:
Johann, Barthel
Primary Class:
482/28
Other Classes:
182/139, 5/111
International Classes:
A63B5/11; A63B5/00
US Patent References:
3233895Trampolines
Foreign References:
DE1137660B
DE1166065B
GB724186A
GB937087A