Granted Patent
Utility
US 5,654,840 · App. 08/269,332
Hard disk drive which uses the back EMF of the actuator to detect shocks
Inventors:
Charles R. Patton, III, John Robert Edwards, Anil Sareen
Patented Case
View Patent ↗
Granted: Aug 5, 1997
Filed: Jun 30, 1994
Inventors
Charles R. Patton, III
John Robert Edwards
Anil Sareen
Assignee (at issue)
Western Digital
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.