Granted Patent
Utility
US 4,851,533 · App. 07/021,952
1,4-diazine derivatives
Inventor:
Magid A. Abou-Gharbia
Patented Case
View Patent ↗
Granted: Jul 25, 1989
Filed: Mar 5, 1987
Inventor
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.