Truck-trailer air dam
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United States of America Patent
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Dec 13, 2011
Grant Date -
Jul 23, 2009
app pub date -
Jan 22, 2009
filing date -
Jan 23, 2008
priority date (Note) -
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Abstract
An air dam which provides at least one panel which operates between an open condition and a closed condition in the open space established between a truck coupled to a trailer to alter a part of an air stream generated about the truck-trailer during travel.
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