Granted Patent
Utility
US 6,680,609 · App. 10/193,514
Method and apparatus for determining the magnetic track width of a magnetic head
Inventors:
Peter C. Fang, Terence Lam, Zhong-heng Lin
Patented Case
View Patent ↗
Granted: Jan 20, 2004
Filed: Jul 11, 2002
Inventors
Peter C. Fang
Terence Lam
Zhong-heng Lin
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.