Granted Patent
Utility
US 5,800,863 · App. 08/782,988
Carbon seedlayer on non-metallic substrates for magnetic recording media
Inventors:
Yuanda Cheng, Richard A. Gardner, Mojtaba Sedighi
Patented Case
View Patent ↗
Granted: Sep 1, 1998
Filed: Jan 14, 1997
Inventors
Yuanda Cheng
Richard A. Gardner
Mojtaba Sedighi
Assignee (at issue)
Akashic Memories Corp.
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.