Granted Patent
Utility
US 4,962,437 · App. 07/471,018
Thin film servo head employing the inactive transducer coils to cancel write noise from nearby data heads
Inventor:
Lawrence A. Wilcox
Patented Case
View Patent ↗
Granted: Oct 9, 1990
Filed: Jan 19, 1990
Inventor
Lawrence A. Wilcox
Assignee (at issue)
Magnetic 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.