Granted Patent
Utility
US 4,989,211 · App. 07/193,109
Sector mis-synchronization detection method
Inventor:
Lih-Jyh Weng
Patented Case
View Patent ↗
Granted: Jan 29, 1991
Filed: May 12, 1988
Inventor
Lih-Jyh Weng
Assignee (at issue)
Digital Equipment 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.