Granted Patent
Utility
US 5,159,508 · App. 07/634,671
Magnetic head slider having a protective coating thereon
Inventors:
Alfred Grill, Cheng T. Horng, Bernard S. Meyerson, Vishnubhai V. Patel, Michael A. Russak
Patented Case
View Patent ↗
Granted: Oct 27, 1992
Filed: Dec 27, 1990
Inventors
Alfred Grill
Cheng T. Horng
Bernard S. Meyerson
Vishnubhai V. Patel
Michael A. Russak
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.