Beds – Bedclothing – And means to facilitate changing thereof
Patent
1992-10-16
1994-05-17
Trettel, Michael F.
Beds
Bedclothing
And means to facilitate changing thereof
5455, A47C 2710, A61G 704
Patent
active
053116232
ABSTRACT:
A hydropneumatic mattress with upper water containing tubes and lower air containing tubes is disclosed. The upper and lower tubes are supported by a layer. The tubes are individually removable for replacement. The mattress construction is especially desirable because it is articulatable along its length.
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patent: 4999867 (1991-03-01), Toivio et al.
patent: 5010608 (1991-04-01), Barnett et al.
patent: 5090077 (1992-02-01), Caden et al.
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