Granted Patent
Utility
US 5,835,309 · App. 08/446,381
Pivot bearing
Inventor:
Zine-Eddine Boutaghou
Patented Case
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Granted: Nov 10, 1998
Filed: May 22, 1995
Inventor
Zine-Eddine Boutaghou
Assignee (at issue)
International Business Machines Corporation
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.