Granted Patent
Utility
US 4,245,039 · App. 05/693,906
Stable clumping factor for the identification of fibrinogen and fibrin cleavage products and process for preparing it
Inventors:
Norbert Heimburger, Friedrich Brauns, Kurt F. Fischer
Patented Case
View Patent ↗
Granted: Jan 13, 1981
Filed: Jun 8, 1976
Inventors
Norbert Heimburger
Friedrich Brauns
Kurt F. Fischer
Assignee (at issue)
Behringwerke Aktiengesellschaft
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.