Granted Patent
Utility
US 4,960,776 · App. 07/007,592
4-aryl-N-(alkylaminoalkyl, heterocyclicamino and heterocyclicamino)alkyl)-1-piperazinecarboxamides
Inventors:
David A. Walsh, Albert D. Cale, Jr.
Patented Case
View Patent ↗
Granted: Oct 2, 1990
Filed: Jan 28, 1987
Inventors
David A. Walsh
Albert D. Cale, Jr.
Assignee (at issue)
A. H. Robins Company, Incorporated
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.