Granted Patent
Utility
US 6,584,885 · App. 09/879,576
Variable lift actuator
Inventor:
Zheng Lou
Patented Case
View Patent ↗
Granted: Jul 1, 2003
Filed: Jun 12, 2001
Inventor
Zheng Lou
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.