Granted Patent
Utility
US 5,909,337 · App. 08/909,987
Magnetic recording device
Inventor:
George Tyndall
Patented Case
View Patent ↗
Granted: Jun 1, 1999
Filed: Aug 12, 1997
Inventor
George Tyndall
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.