Granted Patent
Utility
US 5,670,170 · App. 08/444,114
Pharamaceutical formulation
Inventors:
Francis Walter Grimmett, Nigel Philip McCreath Davidson
Patented Case
View Patent ↗
Granted: Sep 23, 1997
Filed: May 18, 1995
Inventors
Francis Walter Grimmett
Nigel Philip McCreath Davidson
Assignee (at issue)
Beecham Group plc
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.