Granted Patent
Utility
US 5,898,286 · App. 08/782,730
Digital servo control system for a data recording disk file with improved saturation modelling
Inventors:
Donald Lee Clare, Louis J. Serrano
Patented Case
View Patent ↗
Granted: Apr 27, 1999
Filed: Jan 13, 1997
Inventors
Donald Lee Clare
Louis J. Serrano
Assignee (at issue)
International Business Machines 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.