Granted Patent
Utility
US 5,994,770 · App. 08/847,533
Portable electronic data carrier
Inventors:
Bradley M. Harrington, Hal Kurkowski, James P. Cusey
Patented Case
View Patent ↗
Granted: Nov 30, 1999
Filed: Apr 24, 1997
Inventors
Bradley M. Harrington
Hal Kurkowski
James P. Cusey
Assignee (at issue)
Dallas Semiconductor 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.