Granted Patent
Utility
US 6,328,859 · App. 09/368,068
Method of making second pole tip of a write head with a narrow track width
Inventors:
Richard Hsiao, Cherngye Hwang, Hugo Alberto Emilio Santini
Patented Case
View Patent ↗
Granted: Dec 11, 2001
Filed: Aug 3, 1999
Inventors
Richard Hsiao
Cherngye Hwang
Hugo Alberto Emilio Santini
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.