Granted Patent
Utility
US 5,300,499 · App. 07/939,189
5-substituted 3-thiophene sulfonamides as antiglaucoma agents
Inventor:
Ken Chow
Patented Case
View Patent ↗
Granted: Apr 5, 1994
Filed: Sep 2, 1992
Inventor
Ken Chow
Assignee (at issue)
Allergan, 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.