Granted Patent
Utility
US 4,282,244 · App. 06/128,694
Optical isomers of 4-amino-N-(1-cyclohexyl-3-pyrrolidinyl)-N-methylbenzamide
Inventors:
Albert D. Cale, Jr., Charles A. Leonard
Patented Case
View Patent ↗
Granted: Aug 4, 1981
Filed: Mar 10, 1980
Inventors
Albert D. Cale, Jr.
Charles A. Leonard
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.