Granted Patent
Utility
US 6,320,715 · App. 09/705,103
Drive electronics employing unipolar last write for improved magnetic stability
Inventors:
Michael Paul Salo, Albert John Wallash
Patented Case
View Patent ↗
Granted: Nov 20, 2001
Filed: Nov 2, 2000
Inventors
Michael Paul Salo
Albert John Wallash
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.