Granted Patent
Utility
US 4,745,279 · App. 06/815,576
Hematocrit measuring apparatus
Inventors:
Maurice N. Karkar, Warren M. Long, Stan O. Heinemann
Patented Case
View Patent ↗
Granted: May 17, 1988
Filed: Jan 2, 1986
Inventors
Maurice N. Karkar
Warren M. Long
Stan O. Heinemann
Assignee (at issue)
American Hospital Supply Corp.
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.