Granted Patent
Utility
US 4,925,839 · App. 07/210,970
Novel antihypertensive benzopyran derivatives
Inventors:
Dominick Anthony Quagliato, Leslie G. Humber
Patented Case
View Patent ↗
Granted: May 15, 1990
Filed: Jun 24, 1988
Inventors
Dominick Anthony Quagliato
Leslie G. Humber
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.