Granted Patent
Utility
US 6,510,839 · App. 09/973,446
Electronic throttle spring torque adaptation system
Inventor:
Ross Dykstra Pursifull
Patented Case
View Patent ↗
Granted: Jan 28, 2003
Filed: Oct 9, 2001
Inventor
Ross Dykstra Pursifull
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.