Granted Patent
Utility
US 4,500,520 · App. 06/471,201
Antiinflammatory and/or analgesic silylfurans
Inventor:
Stephen B. Haber
Patented Case
View Patent ↗
Granted: Feb 19, 1985
Filed: Mar 1, 1983
Inventor
Stephen B. Haber
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND COMPANY
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.