Granted Patent
Utility
US 6,330,128 · App. 09/299,542
Magnetic head assembly having open yoke write head with highly defined narrow track width
Inventors:
Thomas Young Chang, Glen Adam Garfunkel, Edward Hin Pong Lee, Neil Leslie Robertson, Samuel Wonder Yuan
Patented Case
View Patent ↗
Granted: Dec 11, 2001
Filed: Apr 26, 1999
Inventors
Thomas Young Chang
Glen Adam Garfunkel
Edward Hin Pong Lee
Neil Leslie Robertson
Samuel Wonder Yuan
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.