Granted Patent
Utility
US 4,622,979 · App. 06/585,790
User-worn apparatus for monitoring and recording electrocardiographic data and method of operation
Inventors:
Louis J. Katchis, Michael P. Bumgarner
Patented Case
View Patent ↗
Granted: Nov 18, 1986
Filed: Mar 2, 1984
Inventors
Louis J. Katchis
Michael P. Bumgarner
Assignee (at issue)
Cardiac Monitoring, 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.