Granted Patent
Utility
US 5,708,358 · App. 08/619,369
Spin valve magnetoresistive transducers having permanent magnets
Inventor:
Durga P. Ravipati
Patented Case
View Patent ↗
Granted: Jan 13, 1998
Filed: Mar 21, 1996
Inventor
Durga P. Ravipati
Assignee (at issue)
Read Rite 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.