Granted Patent
Utility
US 4,803,580 · App. 07/015,204
Double-gap magnetoresistive head having an elongated central write/shield pole completely shielding the magnetoresistive sensor strip in the read gap
Inventor:
Greg S. Mowry
Patented Case
View Patent ↗
Granted: Feb 7, 1989
Filed: Feb 17, 1987
Inventor
Greg S. Mowry
Assignee (at issue)
Magnetic Peripherals, 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.