Granted Patent
Utility
US 5,187,180 · App. 07/729,019
(Quinolin-2-ylmethoxy)Heterotetrahydrocarbazoles as inhibitors of the biosynthesis of leukotrienes
Inventor:
John W. Gillard
Patented Case
View Patent ↗
Granted: Feb 16, 1993
Filed: Jul 12, 1991
Inventor
John W. Gillard
Assignee (at issue)
Merck Frosst Canada Ltd.
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.