Granted Patent
Utility
US 5,116,981 · App. 07/438,491
Antiinflammatory leukotriene B.sub.4 analogs
Inventor:
Joel Morris
Patented Case
View Patent ↗
Granted: May 26, 1992
Filed: Jun 29, 1989
Inventor
Joel Morris
Assignee (at issue)
The Upjohn Co.
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.