Granted Patent
Utility
US 5,112,769 · App. 07/602,006
Stable single liquid reagent for determination of direct bilirubin in sera and method of forming same
Inventor:
Ivan E. Modrovich
Patented Case
View Patent ↗
Granted: May 12, 1992
Filed: Oct 19, 1990
Inventor
Ivan E. Modrovich
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.