Granted Patent
Utility
US 5,744,431 · App. 08/749,711
Conductive lubricant for magnetic disk drives
Inventors:
Arthur F. Diaz, Robert D. Johnson, Thomas E. Karis, Holayanahally S. Nagaral, My T. Nguyen
Patented Case
View Patent ↗
Granted: Apr 28, 1998
Filed: Nov 15, 1996
Inventors
Arthur F. Diaz
Robert D. Johnson
Thomas E. Karis
Holayanahally S. Nagaral
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.