Granted Patent
Utility
US 4,947,858 · App. 07/305,258
Method and apparatus for data compression in an ECG monitoring system
Inventor:
Nancy Smith
Patented Case
View Patent ↗
Granted: Aug 14, 1990
Filed: Jan 31, 1989
Inventor
Nancy Smith
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.