Granted Patent
Utility
US 5,844,743 · App. 08/771,314
Velocity sensing using actuator coil back-emf voltage
Inventor:
Otis L. Funches
Patented Case
View Patent ↗
Granted: Dec 1, 1998
Filed: Dec 20, 1996
Inventor
Otis L. Funches
Assignee (at issue)
Seagate Technology LLC
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.