Granted Patent
Utility
US 4,833,245 · App. 07/219,412
Heterocyclic compound
Inventors:
Hans Bruderer, Renee Zurfluh
Patented Case
View Patent ↗
Granted: May 23, 1989
Filed: Jul 15, 1988
Inventors
Hans Bruderer
Renee Zurfluh
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.