Granted Patent
Utility
US 4,769,462 · App. 06/860,205
Novel 2-carbamoylnicotinic and 3-quinolinecarboxylic acids and esters
Inventor:
Marinus Los
Patented Case
View Patent ↗
Granted: Sep 6, 1988
Filed: May 6, 1986
Inventor
Marinus Los
Assignee (at issue)
American Cyanamid Company
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.