Granted Patent
Utility
US 4,983,613 · App. 07/341,608
Isoquinoline acetic acids and acetyl carbamates useful as aldose reductase inhibitors
Inventor:
Michael S. Malamas
Patented Case
View Patent ↗
Granted: Jan 8, 1991
Filed: Apr 21, 1989
Inventor
Michael S. Malamas
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.