Granted Patent
Utility
US 6,605,819 · App. 09/826,679
Media validation
Inventor:
Gary Ross
Patented Case
View Patent ↗
Granted: Aug 12, 2003
Filed: Apr 5, 2001
Inventor
Gary Ross
Assignee (at issue)
NCR 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.