Granted Patent
Utility
US 6,033,491 · App. 08/922,963
Fabrication process of Ni-Mn spin valve sensor
Inventor:
Tsann Lin
Patented Case
View Patent ↗
Granted: Mar 7, 2000
Filed: Sep 3, 1997
Inventor
Tsann Lin
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.