Granted Patent
Utility
US 4,695,552 · App. 06/601,801
Process and reagent for the determination of the hemoglobin-haptoglobin complex in the presence of free hemoglobin
Inventors:
Urban Schmitt, Rolf Deeg, Joachim Ziegenhorn
Patented Case
View Patent ↗
Granted: Sep 22, 1987
Filed: Apr 19, 1984
Inventors
Urban Schmitt
Rolf Deeg
Joachim Ziegenhorn
Assignee (at issue)
Boehringer Mannheim GmbH
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.