Granted Patent
Utility
US 6,512,725 · App. 09/847,419
Method for controlling speed of an optic disk drive
Inventor:
Sheng-Hsu Chuang
Patented Case
View Patent ↗
Granted: Jan 28, 2003
Filed: May 3, 2001
Inventor
Sheng-Hsu Chuang
Assignee (at issue)
Lite-On It 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.