Granted Patent
Utility
US 5,128,813 · App. 07/541,838
Thermal compensated head positioner servo for disk drive
Inventor:
Tom Lik-Chung Lee
Patented Case
View Patent ↗
Granted: Jul 7, 1992
Filed: Jun 21, 1990
Inventor
Tom Lik-Chung Lee
Assignee (at issue)
Quantum Corporation
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.