Granted Patent
Utility
US 5,456,978 · App. 08/101,230
Thin-film recording medium with thin metal sublayer
Inventors:
Brij B. Lal, Tadashi Shinohara
Patented Case
View Patent ↗
Granted: Oct 10, 1995
Filed: Aug 3, 1993
Inventors
Brij B. Lal
Tadashi Shinohara
Assignee (at issue)
HMT Technology 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.