Granted Patent
Utility
US 4,890,176 · App. 07/220,329
Crash stop and magnetic latch for a voice coil actuator
Inventors:
Shawn E. Casey, Terence H. West
Patented Case
View Patent ↗
Granted: Dec 26, 1989
Filed: Jul 18, 1988
Inventors
Shawn E. Casey
Terence H. West
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.