Granted Patent
Utility
US 5,872,689 · App. 08/626,877
Planar orthogonal MR read head
Inventor:
Hardayal Singh Gill
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Apr 3, 1996
Inventor
Hardayal Singh Gill
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.