Granted Patent
Utility
US 5,901,013 · App. 08/909,994
Fluid spindle bearing vent
Inventors:
Chen-Hsiung Lee, Holavanahally Seshachar Nagaraj, Neal Bertram Schirle
Patented Case
View Patent ↗
Granted: May 4, 1999
Filed: Aug 11, 1997
Inventors
Chen-Hsiung Lee
Holavanahally Seshachar Nagaraj
Neal Bertram Schirle
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.