Title:
Electric horn
United States Patent 2688129


Inventors:
Peter, Nielsen
Application Number:
US30219752A
Publication Date:
08/31/1954
Filing Date:
08/01/1952
Assignee:
JUBILEE MFG COMPANY
Primary Class:
Other Classes:
310/34, 335/255
International Classes:
G10K9/15
View Patent Images:
US Patent References:
2299671Electromagnetic motor switch1942-10-20
2213493Signaling device1940-09-03
2135328Sounding signal device1938-11-01
2094772Sound signal1937-10-05
2074875Synthetic tone signal1937-03-23