Granted Patent
Utility
US 4,536,809 · App. 06/376,972
Adaptive misposition correcting method and apparatus for magnetic disk servo system
Inventor:
Michael D. Sidman
Patented Case
View Patent ↗
Granted: Aug 20, 1985
Filed: May 10, 1982
Inventor
Michael D. Sidman
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.