Granted Patent
Utility
US 5,221,686 · App. 07/925,366
Spiro[1,2-benzisothiazole-3(2H),5'-oxazolidine]-2',4'-dione 1,1-dioxides as antihyperglycemic agents
Inventors:
Jay E. Wrobel, Arlene J. Dietrich
Patented Case
View Patent ↗
Granted: Jun 22, 1993
Filed: Aug 4, 1992
Inventors
Jay E. Wrobel
Arlene J. Dietrich
Assignee (at issue)
Amerimas Home Products, 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.