Granted Patent
Utility
US 6,539,917 · App. 09/848,494
Idle air bypass valve acoustic diverter passage
Inventors:
Christopher Shaw, James T. Dumas, James John Kempf
Patented Case
View Patent ↗
Granted: Apr 1, 2003
Filed: May 3, 2001
Inventors
Christopher Shaw
James T. Dumas
James John Kempf
Assignee (at issue)
Visteon Global Technologies, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.