Granted Patent
Utility
US 5,381,281 · App. 08/083,192
Disk drive system using multiple embedded quadrature servo fields
Inventors:
Louis J. Shrinkle, John P. Squires
Patented Case
View Patent ↗
Granted: Jan 10, 1995
Filed: Jun 24, 1993
Inventors
Louis J. Shrinkle
John P. Squires
Assignee (at issue)
Conner Peripherals, Inc.
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.