Pneumatic mattress
United States Patent 2372218

Inventors:
Manson, Frank G.
Maskey, James J.
Publication Date:
03/27/1945
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Assignee:
Manson, Frank G.
Maskey, James J.
Primary Class:
5/708
Other Classes:
92/90, 92/92, 251/215, 417/479, 220/216, D06/604
International Classes:
A47C27/08