Granted Patent
Utility
US 5,306,994 · App. 07/865,994
Automatic phase margin compensation control circuit and method for disk drives
Inventor:
Louis Supino
Patented Case
View Patent ↗
Granted: Apr 26, 1994
Filed: Apr 9, 1992
Inventor
Louis Supino
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.