Granted Patent
Utility
US 5,632,280 · App. 08/685,999
Method for circuit fault detection in differential signal detectors
Inventors:
Kent W. Leyde, Thomas D. Lyster, Daniel J. Powers
Patented Case
View Patent ↗
Granted: May 27, 1997
Filed: Jul 25, 1996
Inventors
Kent W. Leyde
Thomas D. Lyster
Daniel J. Powers
Assignee (at issue)
Heartstream, 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.