Granted Patent
Utility
US 5,729,404 · App. 08/611,285
Disc drive spindle motor with rotor isolation and controlled resistance electrical pathway from disc to ground
Inventors:
John C. Dunfield, Klaus Kloeppel, Robert M. Pelstring, Michael John Raffetto, Donald J. MacLeod, Frederick Frank Kazmierczak, Clifford Jue
Patented Case
View Patent ↗
Granted: Mar 17, 1998
Filed: Mar 6, 1996
Inventors
John C. Dunfield
Klaus Kloeppel
Robert M. Pelstring
Michael John Raffetto
Donald J. MacLeod
Frederick Frank Kazmierczak
Clifford Jue
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.