Granted Patent
Utility
US 6,249,696 · App. 09/232,044
Method and apparatus for increasing the low frequency dynamic range of a digital ECG measuring system
Inventors:
Dana Olson, David Van Ess
Patented Case
View Patent ↗
Granted: Jun 19, 2001
Filed: Jan 15, 1999
Inventors
Dana Olson
David Van Ess
Assignee (at issue)
MEDTRONIC PHYSIO-CONTROL MANUFACTURING 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.