Beds – Sofa bed – Reverting back
Patent
1987-05-26
1989-06-20
Grosz, Alexander
Beds
Sofa bed
Reverting back
5 72, 5446, 5453, A47G 706, A47C 2008
Patent
active
048399329
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 or leg end of the mattress. The total unit is 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
Grosz Alexander
Long J. F.
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