Granted Patent
Utility
US 5,271,411 · App. 07/757,307
Method and apparatus for ECG signal analysis and cardiac arrhythmia detection
Inventors:
Kenneth L. Ripley, Daniel T. Kaplan
Patented Case
View Patent ↗
Granted: Dec 21, 1993
Filed: Sep 10, 1991
Inventors
Kenneth L. Ripley
Daniel T. Kaplan
Assignee (at issue)
Colin Electronics Co., Ltd.
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.