Granted Patent
Utility
US 5,898,548 · App. 08/957,787
Shielded magnetic tunnel junction magnetoresistive read head
Inventors:
Frederick Dill, Robert E. Fontana, Jr., Stuart Stephen Papworth Parkin, Ching Hwa Tsang
Patented Case
View Patent ↗
Granted: Apr 27, 1999
Filed: Oct 24, 1997
Inventors
Frederick Dill
Robert E. Fontana, Jr.
Stuart Stephen Papworth Parkin
Ching Hwa Tsang
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.