Granted Patent
Utility
US 4,417,054 · App. 06/381,162
2-(Lower-alkoxy)-1-(pyridinyl)ethenyl lower-alkyl ketones
Inventor:
Karl O. Gelotte
Patented Case
View Patent ↗
Granted: Nov 22, 1983
Filed: May 24, 1982
Inventor
Karl O. Gelotte
Assignee (at issue)
Sterling Drug, Inc.
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.