Granted Patent
Utility
US 5,869,490 · App. 08/947,565
Azaheterocyclymethyl derivatives of 2,3,8,9-tetrahydro-7h-1,4-dioxino (2,3-e) indol-8-one
Inventor:
Gary P. Stack
Patented Case
View Patent ↗
Granted: Feb 9, 1999
Filed: Oct 9, 1997
Inventor
Gary P. Stack
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.