Granted Patent
Utility
US 4,239,635 · App. 06/047,285
Novel diamide and lubricants containing same
Inventor:
Walter Rieder
Patented Case
View Patent ↗
Granted: Dec 16, 1980
Filed: Jun 11, 1979
Inventor
Walter Rieder
Assignee (at issue)
Cincinnatti Milacron 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.