Granted Patent
Utility
US 5,284,152 · App. 07/843,368
Method for displaying superimposed heartbeat waveforms
Inventors:
Colin M. Portnuff, Matthew S. Glei, Rommel R. Raj
Patented Case
View Patent ↗
Granted: Feb 8, 1994
Filed: Feb 28, 1992
Inventors
Colin M. Portnuff
Matthew S. Glei
Rommel R. Raj
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.