Granted Patent
Utility
US 5,215,743 · App. 07/181,077
Tumor necrosis factor formulations
Inventors:
Maninder Singh, Flint Smith
Patented Case
View Patent ↗
Granted: Jun 1, 1993
Filed: Apr 13, 1988
Inventors
Maninder Singh
Flint Smith
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.