Granted Patent
Utility
US 5,169,855 · App. 07/506,961
Piperidine ether derivatives as psychotropic drugs or plant fungicides
Inventors:
Gary A. Cain, Paul J. Gilligan, Sang William Tam
Patented Case
View Patent ↗
Granted: Dec 8, 1992
Filed: Mar 28, 1990
Inventors
Gary A. Cain
Paul J. Gilligan
Sang William Tam
Assignee (at issue)
The DuPont Merck Pharmaceutical Company
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.