Mattress construction
United States Patent 2879523
US Patent References:
/0679656.html
- - 0679656

/0967652.html
- - 0967652

/0984324.html
- - 0984324

/1276361.html
- - 1276361

Mattress
- - 1526737


Inventors:
Klassen, Alice M.
Klassen, Johnny G.
Publication Date:
03/31/1959
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Assignee:
Klassen, Alice M.
Klassen, Johnny G.
Primary Class:
5/723
Other Classes:
5/727
International Classes:
A47C27/00
US Patent References:
1537414Means for overcoming insomnia
2706821Mattress
Foreign References:
GB594839A