Title:
Pneumatic mattress
United States Patent 2415150
Inventors:
Russell, Stein Michael
Publication Date:
02/04/1947
Export Citation:
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Assignee:
Russell, Stein Michael
Primary Class:
5/710
Other Classes:
52/2.19, 261/1, 267/117
International Classes:
A47C23/047
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US Patent References:
2247667Mattress
1772310Variable-pressure bed or mattress
1475771Mattress
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