Granted Patent
Utility
US 6,295,261 · App. 09/199,277
Method and apparatus for controlling revolution speed of spindle motor in optical disk drive
Inventor:
Se-tae Kim
Patented Case
View Patent ↗
Granted: Sep 25, 2001
Filed: Nov 25, 1998
Inventor
Se-tae Kim
Assignee (at issue)
AMSUNG ELECTRONICS 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.