Granted Patent
Utility
US 5,217,873 · App. 07/756,444
Time-stable liquid cholesterol assay compositions
Inventors:
Karen R. Caris, Ivan E. Modrovich
Patented Case
View Patent ↗
Granted: Jun 8, 1993
Filed: Sep 9, 1991
Inventors
Karen R. Caris
Ivan E. Modrovich
Assignee (at issue)
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.