Granted Patent
Utility
US 6,704,261 · App. 09/951,930
Spin motor control in an optical drive
Inventors:
Charles R. Watt, Christopher J. Turner
Patented Case
View Patent ↗
Granted: Mar 9, 2004
Filed: Sep 10, 2001
Inventors
Charles R. Watt
Christopher J. Turner
Assignee (at issue)
DPHI Acquisitions, Inc.
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.