Granted Patent
Utility
US 6,803,906 · App. 09/610,481
Passive touch system and method of detecting user input
Inventors:
Gerald Dale Morrison, Manvinder Singh
Patented Case
View Patent ↗
Granted: Oct 12, 2004
Filed: Jul 5, 2000
Inventors
Gerald Dale Morrison
Manvinder Singh
Assignee (at issue)
Smart 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.