Granted Patent
Utility
US 4,906,654 · App. 07/211,800
Cyclohept[b]indoleakanoic acids, pharmaceutical compositions and use
Inventors:
John W. Gillard, Howard E. Morton, Yvan Guindon, Yves Girard, Christiane Yoakim
Patented Case
View Patent ↗
Granted: Mar 6, 1990
Filed: Jun 27, 1988
Inventors
John W. Gillard
Howard E. Morton
Yvan Guindon
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.