Granted Patent
Utility
US 6,339,872 · App. 09/564,155
Method of making a merged magnetic head that includes a write head with single-sided notched first pole piece
Inventors:
Thomas Young Chang, Edward Hinpong Lee, Jyh-Shuey Lo
Patented Case
View Patent ↗
Granted: Jan 22, 2002
Filed: May 3, 2000
Inventors
Thomas Young Chang
Edward Hinpong Lee
Jyh-Shuey 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.