Granted Patent
Utility
US 6,208,477 · App. 08/870,515
Hard disk drive having a built-in self-test for measuring non-linear signal distortion
Inventors:
Robert L. Cloke, Patrick J. Lee
Patented Case
View Patent ↗
Granted: Mar 27, 2001
Filed: Jun 6, 1997
Inventors
Robert L. Cloke
Patrick J. Lee
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.