Granted Patent
Utility
US 6,143,575 · App. 08/554,306
Heterogeneous immunoassay using a precipitable solid phase
Inventor:
Michael Kraus
Patented Case
View Patent ↗
Granted: Nov 7, 2000
Filed: Nov 8, 1995
Inventor
Michael Kraus
Assignee (at issue)
Dade Behring Marburg 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.