Title:
Foldable frame for trampolins, beds, or the like
United States Patent 2534019
US Patent References:
/0331748.html
- - 0331748

/0833987.html
- - 0833987

Upedging and collapsing portable bed
- - 1641459

Convertible automobile seat
- - 1658408

Tumbling device
- - 2370990


Inventors:
Griswold, Laurence V.
Publication Date:
12/12/1950
View Patent Images:
Assignee:
Griswold, Laurence V.
Primary Class:
Other Classes:
5/154, 5/174, 5/111
International Classes:
A47C17/68; A47C17/00