Granted Patent
Utility
US 4,503,073 · App. 06/554,420
2-Amino-3-(alkylthiobenzoyl)-phenylacetic acids
Inventors:
David A. Walsh, Dwight A. Shamblee
Patented Case
View Patent ↗
Granted: Mar 5, 1985
Filed: Nov 22, 1983
Inventors
David A. Walsh
Dwight A. Shamblee
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.