Granted Patent
Utility
US 6,068,183 · App. 09/061,879
Chip card system
Inventors:
David Freeman, Gary A. Freeman
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Apr 17, 1998
Inventors
David Freeman
Gary A. Freeman
Assignee (at issue)
Viztec, 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.