Beds – Bedsteads – Having bottom
Patent
1993-07-12
1994-07-05
Trettel, Michael F.
Beds
Bedsteads
Having bottom
5481, A47C 2714
Patent
active
053255526
ABSTRACT:
This invention relates to an improved bed and in particular to one which is integrally made of foamed polyethylene and includes an upper member having a plurality of ventilation holes, a lower member having a plurality of ventilation holes, and a plurality of cylindrical members between the upper member and the lower member, whereby the bed is comfortable in use and may even be cleaned with water.
REFERENCES:
patent: 3974532 (1976-08-01), Ecchuya
patent: 4194255 (1980-03-01), Poppe
patent: 4980940 (1991-01-01), Isshiki
patent: 5160785 (1992-11-01), Davidson, Jr.
Lei Alfred
Trettel Michael F.
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