Title:
TIME COUNTING TRAFFIC SIGNALLING SYSTEM
Document Type and Number:
United States Patent 3480909

Inventors:
Hines, James L. R.
Publication Date:
11/25/1969
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Referenced by:
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Assignee:
James, Hines L. R.
Primary Class:
340/929
Other Classes:
D10/115, 327/193
International Classes:
G08G1/096; G08G1/095
US Patent References:
3408623Safety traffic signal light


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