Granted Patent
Utility
US 5,154,680 · App. 07/500,063
Pressure waveform monitor
Inventors:
Gary M. Drzewiecki, Robert D. Butterfield, Edward J. Ciaccio
Patented Case
View Patent ↗
Granted: Oct 13, 1992
Filed: Mar 27, 1990
Inventors
Gary M. Drzewiecki
Robert D. Butterfield
Edward J. Ciaccio
Assignee (at issue)
Rutgers University
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.