Granted Patent
Utility
US 5,266,717 · App. 07/599,319
N-(sulfomethyl)-N'arylureas
Inventors:
Glenn Roy, Chris Culberson, George W. Muller, Srinivasan Nagarajan
Patented Case
View Patent ↗
Granted: Nov 30, 1993
Filed: Oct 17, 1990
Inventors
Glenn Roy
Chris Culberson
George W. Muller
Srinivasan Nagarajan
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.