Granted Patent
Utility
US 6,308,667 · App. 09/559,448
Actuator for engine valve with tooth and socket armature and core for providing position output and/or improved force profile
Inventors:
Hong Tsai, Youqing Xiang
Patented Case
View Patent ↗
Granted: Oct 30, 2001
Filed: Apr 27, 2000
Inventors
Hong Tsai
Youqing Xiang
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.