Granted Patent
Utility
US 4,943,583 · App. 07/126,804
Heterocyclic compounds
Inventor:
Christoph Luthy
Patented Case
View Patent ↗
Granted: Jul 24, 1990
Filed: Dec 1, 1987
Inventor
Christoph Luthy
Assignee (at issue)
HOFFMANN-LA ROCHE 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.