Granted Patent
Utility
US 5,693,312 · App. 08/470,143
Pharmaceutical composition having analgesic activity
Inventors:
Federico Stroppolo, Daniele Bonadeo, Luigi Vigano, Annibale Gazzaniga
Patented Case
View Patent ↗
Granted: Dec 2, 1997
Filed: Jun 6, 1995
Inventors
Federico Stroppolo
Daniele Bonadeo
Luigi Vigano
Annibale Gazzaniga
Assignee (at issue)
Zambon S.P.A.
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.