Granted Patent
Utility
US 5,843,942 · App. 08/776,275
Aromatic amino ethers as pain relieving agents
Inventors:
Gloria Anne Breault, Howard Tucker, John Oldfield, Peter Warner
Patented Case
View Patent ↗
Granted: Dec 1, 1998
Filed: Jan 24, 1997
Inventors
Gloria Anne Breault
Howard Tucker
John Oldfield
Peter Warner
Assignee (at issue)
Zeneca 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.