Granted Patent
Utility
US 5,940,246 · App. 08/737,162
Disc drive hydro bearing lubricant with electrically conductive, non-metallic additive
Inventors:
Raquib Uddin Khan, Samnathan Murthy, Norbert Steven Parsoneault, Hans Leuthold
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Nov 14, 1996
Inventors
Raquib Uddin Khan
Samnathan Murthy
Norbert Steven Parsoneault
Hans Leuthold
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.