LandOfFree - US Patents - Listing for Signals and indicators,Horns, whistles and compressional wave generators

Signals and indicators – Horns – whistles and compressional wave generators – Diaphragm horns

Acoustic device

Signals and indicators – Horns – whistles and compressional wave generators – Diaphragm horns

Acoustic electropneumatic signal generator, particularly for aut

Signals and indicators – Horns – whistles and compressional wave generators – Diaphragm horns

Acoustic warning device

Signals and indicators – Horns – whistles and compressional wave generators – Diaphragm horns

Acoustical signal apparatus

Signals and indicators – Horns – whistles and compressional wave generators – Manually actuated air compressor

Adjustable pennant warning of downed water skiers

Signals and indicators – Horns – whistles and compressional wave generators – Diaphragm horns

Air horn

Signals and indicators – Horns – whistles and compressional wave generators – Diaphragm horns

Air powered signaling system

Signals and indicators – Horns – whistles and compressional wave generators

Air-driven low-frequency sound generator with positive feedback

Signals and indicators – Horns – whistles and compressional wave generators – Diaphragm horns

Alarm for a bicycle

Signals and indicators – Horns – whistles and compressional wave generators – Diaphragm horns

Alarm horn

Signals and indicators – Horns – whistles and compressional wave generators

Alerting mechanism for a whistle

Signals and indicators – Horns – whistles and compressional wave generators

All weather safety whistle and sound generator

Signals and indicators – Horns – whistles and compressional wave generators

All weather safety whistle and sound generator

Signals and indicators – Horns – whistles and compressional wave generators

Animal warning system for vehicles

Signals and indicators – Horns – whistles and compressional wave generators

Attachment device equipped with a whistle

Signals and indicators – Horns – whistles and compressional wave generators – Manually actuated air compressor

Audible warning device

Signals and indicators – Horns – whistles and compressional wave generators

Audible warning device with restrainable, tilt-activated...

Signals and indicators – Horns – whistles and compressional wave generators

Automatic signaling device

Signals and indicators – Horns – whistles and compressional wave generators – Diaphragm horns

Back pressure operated sound transmitter