Road structure – process – or apparatus – Traffic director – Yielding
Patent
1990-10-23
1991-12-03
Neuder, William P.
Road structure, process, or apparatus
Traffic director
Yielding
404 13, E01F 906
Patent
active
050695770
ABSTRACT:
Raised pavement marker useful in geographic areas where snow plows are used and comprising hollow base with an open bottom and dome top, characterized by:
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Griswold Gary L.
Kirn Walter N.
Little Douglas B.
Neuder William P.
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