Granted Patent
Utility
US 6,507,475 · App. 09/604,626
Capacitive device and method of manufacture
Inventor:
Xi Sun
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Jun 27, 2000
Inventor
Xi Sun
Assignee (at issue)
Motorola, 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.