Granted Patent
Utility
US 5,338,467 · App. 08/025,867
Sulfonate grease improvement
Inventors:
William D. Olson, Ronald J. Muir, Theo I. Eliades
Patented Case
View Patent ↗
Granted: Aug 16, 1994
Filed: Mar 3, 1993
Inventors
William D. Olson
Ronald J. Muir
Theo I. Eliades
Assignee (at issue)
Witco Corporation
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.