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Inventor
WALLA ANN KATHERINE
US
2 patents
Patents
2 patents
US8219443B2
Jul 10, 2012
Variable road toll predicated on instantaneous point-to-point traffic volume calculation
DELIA DAVID J
8 citations
78
US8606625B2
Dec 10, 2013
Variable road toll predicated on instantaneous point-to-point traffic volume calculation
DELIA DAVID J
0 citations
46