Granted Patent
Utility
US 4,777,959 · App. 06/908,446
Artifact detection based on heart rate in a method and apparatus for indirect blood pressure measurement
Inventors:
Richard A. Wallach, Craig Harvey Nelson
Patented Case
View Patent ↗
Granted: Oct 18, 1988
Filed: Sep 17, 1986
Inventors
Richard A. Wallach
Craig Harvey Nelson
Assignee (at issue)
SpaceLabs, 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.