Granted Patent
Utility
US 4,446,323 · App. 06/496,791
Tetra- and hexa-hydropyrrolo(1,2-a)quinoxaline and azaquinoxaline derivatives
Inventors:
Meier E. Freed, Magid A. Abou-Gharbia
Patented Case
View Patent ↗
Granted: May 1, 1984
Filed: May 23, 1983
Inventors
Meier E. Freed
Magid A. Abou-Gharbia
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.