Mattress and cushion material

Details Mattress and cushion material Mattress and cushion material

1990-09-17

1992-10-06

Trettel, Michael F.

Beds

Bedclothing

And means to facilitate changing thereof

5636, A47C 2700

Patent

active

051520192

ABSTRACT:
The present invention provides a cushion material including padding elements, each of which consists of a core and an outer resilient layer surrounding the core.

REFERENCES:
patent: 2745375 (1956-05-01), Frederick
patent: 2978351 (1961-04-01), Pullar
patent: 3248738 (1966-05-01), Morgan
patent: 3359130 (1967-12-01), Goldman
patent: 3840920 (1974-10-01), Voelker
patent: 3927882 (1975-12-01), Galarza
patent: 4065599 (1977-12-01), Nishiumi et al.
patent: 4407031 (1983-10-01), Michiels
patent: 4496627 (1985-01-01), Azuma et al.
patent: 4945591 (1990-08-01), Inagaki

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