Granted Patent
Utility
US 5,019,563 · App. 07/356,691
Pharmaceutical composition
Inventors:
Christopher A. Hunter, David Yau
Patented Case
View Patent ↗
Granted: May 28, 1991
Filed: May 25, 1989
Inventors
Christopher A. Hunter
David Yau
Assignee (at issue)
Reckitt & Colman Products Limited
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.