Granted Patent
Utility
US 5,869,971 · App. 08/649,525
Method and apparatus for ratiometric measurement of hematocrit
Inventor:
Marshall L. Sherman
Patented Case
View Patent ↗
Granted: Feb 9, 1999
Filed: May 17, 1996
Inventor
Marshall L. Sherman
Assignee (at issue)
SenDx Medical, 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.