Granted Patent
Utility
US 6,178,059 · App. 09/176,056
Method for writing servo information on a magnetic recording disk
Inventor:
Gregory Michael Frees
Patented Case
View Patent ↗
Granted: Jan 23, 2001
Filed: Oct 20, 1998
Inventor
Gregory Michael Frees
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.