Granted Patent
Utility
US 5,886,854 · App. 08/680,557
Conductive lubricant for magnetic disk drives
Inventors:
Arthur F. Diaz, Robert D. Johnson, Thomas E. Karis, Holavanahally Seshachar Nagaraj, My T. Nguyen
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: Jul 9, 1996
Inventors
Arthur F. Diaz
Robert D. Johnson
Thomas E. Karis
Holavanahally Seshachar Nagaraj
My T. Nguyen
Assignee (at issue)
International Business Machines 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.