Title:
Electromagnetic device
United States Patent 2839746


Inventors:
Rice, Lyman A.
Application Number:
US60491456A
Publication Date:
06/17/1958
Filing Date:
08/20/1956
Assignee:
GEN MOTORS CORP
Primary Class:
International Classes:
G10K9/15
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US Patent References:
2301487Electric horn1942-11-10
2204705Audible warning signal1940-06-18
2155366Horn1939-04-18
2018479Electromagnetic horn1935-10-22