Granted Patent
Utility
US 5,939,366 · App. 09/031,305
Lubrication process using chlorine-free lubricant
Inventors:
James MacNeil, Donald Stevenson, Barbara A. Wade, Joseph C. Fette
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Feb 26, 1998
Inventors
James MacNeil
Donald Stevenson
Barbara A. Wade
Joseph C. Fette
Assignee (at issue)
Dover Chemical 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.