Granted Patent
Utility
US 4,333,951 · App. 06/165,323
2-Amino-6-biphenylacetic acids
Inventor:
David A. Walsh
Patented Case
View Patent ↗
Granted: Jun 8, 1982
Filed: Jul 2, 1980
Inventor
David A. Walsh
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.