Granted Patent
Utility
US 5,805,391 · App. 08/740,354
Write head with recessed stitched yoke on a planar portion of an insulation layer defining zero throat height
Inventors:
Thomas Young Chang, Mohamad Towfik Krounbi, Edward Hinpong Lee, Douglas Johnson Werner
Patented Case
View Patent ↗
Granted: Sep 8, 1998
Filed: Oct 28, 1996
Inventors
Thomas Young Chang
Mohamad Towfik Krounbi
Edward Hinpong Lee
Douglas Johnson Werner
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.