Knockdown occupant supporting apparatus
United States Patent 2677159
US Patent References:
/0619992.html
- - 0619992

Toboggan
- - 2367157

Toboggan
- - 2469765

Discerptible ski
- - 2545209


Inventors:
Berg, Lawrence C.
Publication Date:
05/04/1954
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Assignee:
Berg, Lawrence C.
Primary Class:
403/339
Other Classes:
5/201, 5/627, 280/18
International Classes:
A61G1/013; A61G1/00