Granted Patent
Utility
US 6,077,586 · App. 08/892,724
Laminated thin film disk for longitudinal recording
Inventors:
Xiaoping Bian, Mary Frances Doerner, Mohammad Mirzamaani
Patented Case
View Patent ↗
Granted: Jun 20, 2000
Filed: Jul 15, 1997
Inventors
Xiaoping Bian
Mary Frances Doerner
Mohammad Mirzamaani
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.