Granted Patent
Utility
US 5,089,922 · App. 07/560,427
Disc drive motor spindle hub for holding a disc and spacer stack firmly in place
Inventor:
Stephen P. LeClair
Patented Case
View Patent ↗
Granted: Feb 18, 1992
Filed: Jul 31, 1990
Inventor
Stephen P. LeClair
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.