Granted Patent
Utility
US 5,808,839 · App. 08/714,507
Disc drive cartridge including magnetic bearings
Inventors:
John C. Dunfield, Kamran Oveyssi
Patented Case
View Patent ↗
Granted: Sep 15, 1998
Filed: Sep 16, 1996
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.