Granted Patent
Utility
US 5,017,593 · App. 07/417,221
Cyclohept[b]indolealkanoic acids, pharmaceutical compositions and use
Inventors:
John W. Gillard, Yvan Guindon, Howard E. Morton, Yves Girard, Christiane Yoakim
Patented Case
View Patent ↗
Granted: May 21, 1991
Filed: Oct 4, 1989
Inventors
John W. Gillard
Yvan Guindon
Howard E. Morton
Yves Girard
Christiane Yoakim
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.