Title:
Water bed
United States Patent 1943888


Inventors:
Ewald, Carl A.
Application Number:
US58863232A
Publication Date:
01/16/1934
Filing Date:
01/25/1932
Assignee:
Ewald, Carl A.
Primary Class:
Other Classes:
4/547, 5/610, 128/889, 601/24
International Classes:
A47C27/08
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