Title:
Radio warning system for use on vehicles
United States Patent 1612427

Inventors:
Harry, Flurscheim
Publication Date:
12/28/1926
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Assignee:
Harry, Flurscheim
Primary Class:
340/901
Other Classes:
343/846, 246/30, 343/713, 340/902, 343/712, 343/834
International Classes:
G08G1/0962