Granted Patent
Utility
US 4,251,541 · App. 06/002,103
1-Substituted-3-arylthio-4-hydroxypyrrolidines
Inventor:
David A. Walsh
Patented Case
View Patent ↗
Granted: Feb 17, 1981
Filed: Jan 9, 1979
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.