Signals and indicators – Horns – whistles and compressional wave generators
Patent
1991-08-30
1994-07-19
Cuchlinski, Jr., William A.
Signals and indicators
Horns, whistles and compressional wave generators
116140, 84380C, 446204, G10K 500
Patent
active
053298721
ABSTRACT:
An all weather safety whistle and sound generator is provided having a mouthpiece and a sound producing opening for emitting sound when air is blown into the mouthpiece, and having a cowling structure covering over the sound producing opening protecting the opening from substances exterior to the apparatus while simultaneously enabling the opening to produce sound.
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Beres John L.
Cuchlinski Jr. William A.
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