Title:
Articulated hospital bedding
United States Patent 3249952
US Patent References:
Mattress
- - 1784294

Bed davenport
- - 2335036

Body resting appliance
- - 2469084

Cover tensioning device for sofa beds
- - 2588058

Mattress structure
- - 3058126


Inventors:
Janapol, Melvin N.
Publication Date:
05/10/1966
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Assignee:
WORTSO CORP
Primary Class:
5/716
Other Classes:
5/722
International Classes:
A47C27/00
US Patent References:
3099843Double hinged inner spring unit
3111690Mattress construction