Title:
PLAY PEN
United States Patent 3474472
Inventors:
Hamilton, Clarence O.
Publication Date:
10/28/1969
Export Citation:
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Assignee:
HAMILTON COSCO INC
Primary Class:
5/98.1
Other Classes:
5/99.1
International Classes:
A47D13/06; A47D13/00; (IPC1-7): A47D13/06
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US Patent References:
3309718Folding playpen
3215096Collapsible serving cart
3206773Folding playpen
3206772Folding playpen
2991486Foldable play pen
2908021Playyard
2806747Adjustable scaffold




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