Title:
Transistorized annunciator with a recorded message
United States Patent 3409745


Inventors:
Kock, Winston E.
Application Number:
US18157062A
Publication Date:
11/05/1968
Filing Date:
03/22/1962
Assignee:
WINSTON E. KOCK
Primary Class:
Other Classes:
340/286.12, 340/328, 360/61
International Classes:
G08B3/10
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