Granted Patent
Utility
US 5,091,410 · App. 07/713,172
Thioxanthenone antitumor agents
Inventors:
Theodore C. Miller, Michael Edward Ross
Patented Case
View Patent ↗
Granted: Feb 25, 1992
Filed: Jun 10, 1991
Inventors
Theodore C. Miller
Michael Edward Ross
Assignee (at issue)
Sterling Winthrop 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.