Granted Patent
Utility
US 6,580,441 · App. 10/092,813
Graph-based visual navigation through store environments
Inventor:
Rodica Schileru-Key
Patented Case
View Patent ↗
Granted: Jun 17, 2003
Filed: Mar 6, 2002
Inventor
Rodica Schileru-Key
Assignee (at issue)
Vergics Corporation
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.