Granted Patent
Utility
US 6,331,972 · App. 08/794,312
Personal data storage and transaction device system and method
Inventors:
Jeffrey M. Harris, Ernest Earl Woodward, Ronald W. Borgstahl
Patented Case
View Patent ↗
Granted: Dec 18, 2001
Filed: Feb 3, 1997
Inventors
Jeffrey M. Harris
Ernest Earl Woodward
Ronald W. Borgstahl
Assignee (at issue)
Motorola, 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.