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Communications
Class Information
Number:
116/59
Name:
Signals and indicators
>
Vehicle
>
Vehicle-energy actuated
> Diaphragm horns
Description:
Audible signal devices in which a vibrating diaphragm is the source of sound.
Patents under this class:
Patent Number
Title Of Patent
Date Issued
7387079
Automatic horn shutter
Jun. 17, 2008
6816065
Electromechanical horn warning system
Nov. 9, 2004
6719324
Horn contact apparatus and method
Apr. 13, 2004
4802068
Sealed chambers
Jan. 31, 1989
4717906
Electric horn with improved pole piece and adjusting cap
Jan. 5, 1988
4433750
Synthetic horn projector with metal insert
Feb. 28, 1984
4401049
Acoustic warning device
Aug. 30, 1983
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