Granted Patent
Utility
US 4,585,785 · App. 06/128,696
Cis and trans-3-aryloxy-4-hydroxypyrrolidines used as anti-arrhythmics
Inventors:
David A. Walsh, William J. Welstead, Jr.
Patented Case
View Patent ↗
Granted: Apr 29, 1986
Filed: Mar 10, 1980
Inventors
David A. Walsh
William J. Welstead, Jr.
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.