Granted Patent
Utility
US 6,183,860 · App. 09/072,415
Magnetic recording media having CrMo underlayers
Inventors:
Yuanda Cheng, Xingbo Yang, Yancy Song
Patented Case
View Patent ↗
Granted: Feb 6, 2001
Filed: May 4, 1998
Inventors
Yuanda Cheng
Xingbo Yang
Yancy Song
Assignee (at issue)
Stormedia, 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.