Granted Patent
Utility
US 6,303,217 · App. 09/165,434
Longitudinal recording medium with a dual underlayer
Inventors:
Sudhir S. Malhotra, Brij B. Lal, Michael A. Russak
Patented Case
View Patent ↗
Granted: Oct 16, 2001
Filed: Oct 2, 1998
Inventors
Sudhir S. Malhotra
Brij B. Lal
Michael A. Russak
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.