Granted Patent
Utility
US 4,918,084 · App. 07/323,308
Pharmaceutical compositions and medical uses of dioxopiperidine derivatives
Inventor:
Maurice W. Gittos
Patented Case
View Patent ↗
Granted: Apr 17, 1990
Filed: Mar 14, 1989
Inventor
Maurice W. Gittos
Assignee (at issue)
NATIONAL RESEARCH DEVELOPMENT CORPORATION
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.