Granted Patent
Utility
US 6,826,007 · App. 10/232,916
Disk drive using dual slope integrator to extract velocity of an actuator arm from a back EMF voltage
Inventor:
Charles R. Patton, III
Patented Case
View Patent ↗
Granted: Nov 30, 2004
Filed: Aug 30, 2002
Inventor
Charles R. Patton, III
Assignee (at issue)
WESTERN DIGITAL TECHNOLOGIES, 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.