Speaker grille for streamlined light bar mounted on vehicle roof

Details Speaker grille for streamlined light bar mounted on vehicle roof Speaker grille for streamlined light bar mounted on vehicle roof

1980-09-02

1982-06-08

Caldwell, Sr., John W.

Communications: electrical

Selective

Having indication or alarm

340 50, 340 84, 340 87, 181143, 181198, 296 1S, 179 1E, 116147, 362217, B60Q 100

Patent

active

043342116

ABSTRACT:
An improved speaker grille for incorporation in the housing of a light/siren assembly of a type which is mounted across the roof of a police car or other emergency vehicle, the improved grille being designed to significantly reduce the drag coefficient of the light/siren assembly due to the unique location of the grille openings.

REFERENCES:
patent: 3789358 (1974-01-01), Ellis
patent: 4189709 (1980-02-01), Gosswiller

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