Granted Patent
Utility
US 6,119,331 · App. 08/889,258
Notching the first pole piece of a write head with a notching layer in a combined magnetic head
Inventors:
Thomas Young Chang, Edward Hinpong Lee, Jhy-Shuey Jerry Lo
Patented Case
View Patent ↗
Granted: Sep 19, 2000
Filed: Jul 8, 1997
Inventors
Thomas Young Chang
Edward Hinpong Lee
Jhy-Shuey Jerry Lo
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.