Granted Patent
Utility
US 5,532,263 · App. 08/391,392
Benzothiopyranoindazole antitumor agents
Inventors:
Mark P. Wentland, Robert B. Perni
Patented Case
View Patent ↗
Granted: Jul 2, 1996
Filed: Feb 27, 1995
Inventors
Mark P. Wentland
Robert B. Perni
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.