Granted Patent
Utility
US 5,889,635 · App. 08/929,096
Magnetic head slider and magnetic disk apparatus for redistributing a lubricant
Inventor:
Akinobu Sato
Patented Case
View Patent ↗
Granted: Mar 30, 1999
Filed: Sep 15, 1997
Inventor
Akinobu Sato
Assignee (at issue)
NEC 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.