Articulated mattress and bed
United States Patent 2674745
US Patent References:
/0382501.html
- - 0382501

Convertible bed-spring
- - 1398203

Cushion support
- - 2167178

Health mattress
- - 2244435

Hospital bed
- - 2337284


Inventors:
Burke Sr., Edward J.
Publication Date:
04/13/1954
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Assignee:
Burke Sr., Edward J.
Primary Class:
5/616
Other Classes:
5/618, 5/722
International Classes:
A61G7/015; A61G7/002
US Patent References:
2448162Therapeutic exercise table
2634426Mattress
Foreign References:
GB468087A