Speaker cabinet

Details Speaker cabinet Speaker cabinet

1977-03-07

1978-08-29

Gilliam, Paul R.

Supports: cabinet structure

Mask or screen type

312 7TV, 181199, 428311, A47B 8100

Patent

active

041099834

ABSTRACT:
A speaker cabinet is constituted with plate material formed by intimately bonding a rigid foam plate having communicating or open-cell bubbles to a surface plate material with the latter being outside.

REFERENCES:
patent: 3357585 (1967-12-01), Morrison
patent: 3443007 (1969-05-01), Hardy
patent: 3708385 (1973-01-01), Immethun
patent: 3735041 (1973-05-01), Fujita
patent: 3753843 (1973-08-01), Hutchison
patent: 3763858 (1973-10-01), Buese
patent: 3944704 (1976-03-01), Dirks
patent: 3989781 (1976-11-01), Chant

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