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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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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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