Title:
Mattress
United States Patent 1548728

Inventors:
Douglass, Milam Walton
Publication Date:
08/04/1925
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Assignee:
Douglass, Milam Walton
Primary Class:
5/722
Other Classes:
5/930, 5/734, 5/725, 5/735
International Classes:
A61G7/07; A61G7/05