Title:
Method and apparatus for generating sound waves
Document Type and Number:
United States Patent 2535680


Inventors:
Horsley, Caperton B.
Young, Richard E.
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Sponsored by:
Flash of Genius
Publication Date:
12/26/1950
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Assignee:
ULTRASONIC CORP
Primary Class:
116/137A
International Classes:
G10K5/02; G10K5/00
US Patent References:
2114654Siren
2354684Siren
2407175Echo sounding device