Granted Patent
Utility
US 6,201,670 · App. 08/876,451
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: Mar 13, 2001
Filed: Jun 16, 1997
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.