Granted Patent
Utility
US 6,215,219 · App. 09/358,391
Bearing system and spindle motor assembly adopting the same
Inventor:
Tae-Yeon Hwang
Patented Case
View Patent ↗
Granted: Apr 10, 2001
Filed: Jul 20, 1999
Inventor
Tae-Yeon Hwang
Assignee (at issue)
SAMSUNG DISPLAY CO., LTD.
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.