Beds – Sofa bed – Reverting back
Patent
1989-02-01
1989-10-17
Grosz, Alexander
Beds
Sofa bed
Reverting back
5 72, 5453, 5446, A47C 2008, A61G 706
Patent
active
048737313
ABSTRACT:
An adjustable bed system comprising inflatable bags under a hinged mattress support frame with necessary air blowers to raise or lower a head end and leg end of the mattress. The total unit being portable and adapted to fit any size bed.
REFERENCES:
patent: 3781928 (1974-01-01), Swallert
patent: 4309783 (1982-01-01), Cammack et al.
patent: 4527298 (1985-07-01), Moulton
patent: 4678014 (1987-07-01), Owen et al.
patent: 4707027 (1987-11-01), Horvath et al.
Grosz Alexander
Sisson Thomas E.
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