Granted Patent
Utility
US 6,687,073 · App. 09/944,886
Method of simultaneously writing servo tracks on a hard disk drive
Inventor:
Hanan Kupferman
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Aug 31, 2001
Inventor
Hanan Kupferman
Assignee (at issue)
WESTERN DIGITAL TECHNOLOGIES, INC.
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.