Granted Patent
Utility
US 6,049,478 · App. 09/262,405
Digital magnetic read channel and method
Inventors:
Thomas M. Walley, Jacob L. Bell, William L. Pherigo, Jr.
Patented Case
View Patent ↗
Granted: Apr 11, 2000
Filed: Mar 4, 1999
Inventors
Thomas M. Walley
Jacob L. Bell
William L. Pherigo, Jr.
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.