Granted Patent
Utility
US 6,433,689 · App. 09/673,345
System for supervision and control of objects or persons
Inventors:
Ole Hovind, Eric Sandmol
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Jan 12, 2001
Inventors
Ole Hovind
Eric Sandmol
Assignee (at issue)
Filetrac AS
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.