Traffic signaling device
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United States of America Patent
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-
Jun 2, 1992
Grant Date -
N/A
app pub date -
Jan 18, 1991
filing date -
Jan 18, 1991
priority date (Note) -
Expired
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Abstract
A traffic signaling device is provided which enables a roadway work site flagman to selectably control the traffic instructions displayed to motorists traveling in opposite directions through the use of multiple louver sets which may be selectably interposed to change the message presented to motorists.
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