Granted Patent
Utility
US 6,016,140 · App. 08/960,218
Automatic touch screen calibration
Inventors:
Francois Blouin, Guillaume Comeau
Patented Case
View Patent ↗
Granted: Jan 18, 2000
Filed: Oct 29, 1997
Inventors
Francois Blouin
Guillaume Comeau
Assignee (at issue)
Nortel Networks Limited
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.