Granted Patent
Utility
US 5,920,862 · App. 08/556,227
Beacons for locales
Inventor:
Richard C. Waters
Patented Case
View Patent ↗
Granted: Jul 6, 1999
Filed: Nov 9, 1995
Inventor
Richard C. Waters
Assignee (at issue)
Misubishi Electric Information Technology Center America, Inc. (ITA)
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.