Granted Patent
Utility
US 5,334,720 · App. 07/666,120
Diphenyl-1-(aminoalkyl)-2-piperidinone and -2-pyrrolidinone derivatives having anticonvulsant properties
Inventors:
Richard Schmiesing, Robert J. Murray
Patented Case
View Patent ↗
Granted: Aug 2, 1994
Filed: Mar 7, 1991
Inventors
Richard Schmiesing
Robert J. Murray
Assignee (at issue)
Fisons 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.