Granted Patent
Utility
US 4,730,321 · App. 06/869,005
Disk drive with improved error correction code
Inventor:
Michael Machado
Patented Case
View Patent ↗
Granted: Mar 8, 1988
Filed: May 30, 1986
Inventor
Michael Machado
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.