Granted Patent
Utility
US 6,288,707 · App. 09/230,420
Capacitive position sensor
Inventor:
Harald Philipp
Patented Case
View Patent ↗
Granted: Sep 11, 2001
Filed: Jan 25, 1999
Inventor
Harald Philipp
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.