Granted Patent
Utility
US 4,898,874 · App. 06/906,965
Acetic acid derivatives of 3-aryl-2,1-benzisoxazole and esters and amides thereof
Inventors:
David A. Walsh, Ibrahim M. Uwaydah
Patented Case
View Patent ↗
Granted: Feb 6, 1990
Filed: Sep 15, 1986
Inventors
David A. Walsh
Ibrahim M. Uwaydah
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.