Granted Patent
Utility
US 6,567,231 · App. 09/429,864
Vibration mode compensation for disk drive
Inventor:
Gregory Michael Frees
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Oct 29, 1999
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.