Granted Patent
Utility
US 6,239,934 · App. 09/111,361
Disk drive system and control circuitry adapted for downward compatibility
Inventors:
Kai Sun, James Herbst, Chih-Hsiung Chang, Mansur Kiadeh
Patented Case
View Patent ↗
Granted: May 29, 2001
Filed: Jul 6, 1998
Inventors
Kai Sun
James Herbst
Chih-Hsiung Chang
Mansur Kiadeh
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.