Granted Patent
Utility
US 5,602,112 · App. 08/297,249
Pharmaceutical formulation
Inventor:
Joseph Rubinfeld
Patented Case
View Patent ↗
Granted: Feb 11, 1997
Filed: Aug 26, 1994
Inventor
Joseph Rubinfeld
Assignee (at issue)
Supergen, Inc.
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.