Granted Patent
Utility
US 4,783,537 · App. 06/797,590
.alpha.-(aminoalkyl)-arylacetic acid derivatives
Inventor:
Robert J. Murray
Patented Case
View Patent ↗
Granted: Nov 8, 1988
Filed: Nov 13, 1985
Inventor
Robert J. Murray
Assignee (at issue)
Pennwalt Corporation
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.