Granted Patent
Utility
US 5,156,974 · App. 07/199,551
Method for determining the fibrinogen level of a blood sample
Inventors:
Hyman Grossman, Michael Rausch
Patented Case
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Granted: Oct 20, 1992
Filed: May 27, 1988
Inventors
Hyman Grossman
Michael Rausch
Assignee (at issue)
Bio/Data Corporation
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.