Granted Patent
Utility
US 5,668,688 · App. 08/653,322
Current perpendicular-to-the-plane spin valve type magnetoresistive transducer
Inventors:
John W. Dykes, Young Keun Kim
Patented Case
View Patent ↗
Granted: Sep 16, 1997
Filed: May 24, 1996
Inventors
John W. Dykes
Young Keun Kim
Assignee (at issue)
Quantum Peripherals Colorado, Inc.
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.