Granted Patent
Utility
US 6,314,907 · App. 09/365,691
Device use indicator
Inventors:
Ward E. Harris, Lokanathan M. Iyer, Brian D. Hench
Patented Case
View Patent ↗
Granted: Nov 13, 2001
Filed: Aug 2, 1999
Inventors
Ward E. Harris
Lokanathan M. Iyer
Brian D. Hench
Assignee (at issue)
Optiva, 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.