Granted Patent
Utility
US 4,668,673 · App. 06/881,122
Bicycle benzo-oxy heterocyclic ethers and thioethers, pharmaceutical compositions and use
Inventors:
Donald E. Kuhla, Henry F. Campbell, William L. Studt, Kent W. Neuenschwander
Patented Case
View Patent ↗
Granted: May 26, 1987
Filed: Jul 2, 1986
Inventors
Donald E. Kuhla
Henry F. Campbell
William L. Studt
Kent W. Neuenschwander
Assignee (at issue)
William H. Rorer, Inc.
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.