Granted Patent
Utility
US 6,469,975 · App. 08/816,679
Method for controlling speed of sled motor in optical disk drive
Inventor:
Ki-bong Yun
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Mar 13, 1997
Inventor
Ki-bong Yun
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.