Granted Patent
Utility
US 5,774,974 · App. 08/460,076
Retaining ring for disc drive spindle motor
Inventors:
John C. Dunfield, Steven C. Knoche, Klaus Kloeppel
Patented Case
View Patent ↗
Granted: Jul 7, 1998
Filed: Jun 2, 1995
Inventors
John C. Dunfield
Steven C. Knoche
Klaus Kloeppel
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.