Granted Patent
Utility
US 5,624,978 · App. 08/330,474
Conductive, internally lubricated barrier coating for metal
Inventors:
Jeffrey N. Soltwedel, Karl P. Anderson, Lori E. Witherup, Wendy M. Holtmann, John R. Sekerak
Patented Case
View Patent ↗
Granted: Apr 29, 1997
Filed: Oct 28, 1994
Inventors
Jeffrey N. Soltwedel
Karl P. Anderson
Lori E. Witherup
Wendy M. Holtmann
John R. Sekerak
Assignee (at issue)
Morton International, 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.