Granted Patent
Utility
US 4,987,355 · App. 07/446,051
Self-synchronizing servo control system and servo data code for high density disk drives
Inventors:
Mark W. E. Leaper, Robert Y. Noguchi, Randall L. Sandusky
Patented Case
View Patent ↗
Granted: Jan 22, 1991
Filed: Dec 5, 1989
Inventors
Mark W. E. Leaper
Robert Y. Noguchi
Randall L. Sandusky
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.