Granted Patent
Utility
US 5,598,048 · App. 08/289,949
Integrated passive magnetic bearing system and spindle magnet for use in an axial magnet spindle motor
Inventors:
John C. Dunfield, Kamran Oveyssi
Patented Case
View Patent ↗
Granted: Jan 28, 1997
Filed: Aug 12, 1994
Inventors
John C. Dunfield
Kamran Oveyssi
Assignee (at issue)
Seagate Technology LLC
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.