Granted Patent
Utility
US 6,052,615 · App. 09/136,056
Method and apparatus for sensing and analyzing electrical activity of the human heart using a four electrode arrangement
Inventors:
Dirk Q. Feild, Hosmel Galan
Patented Case
View Patent ↗
Granted: Apr 18, 2000
Filed: Aug 17, 1998
Inventors
Dirk Q. Feild
Hosmel Galan
Assignee (at issue)
Zymed Medical Instrumentation, 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.