Granted Patent
Utility
US 5,413,873 · App. 08/096,850
Magnetic recording medium having a glass or amorphous carbon substrate, vanadium or molybdenum precoat layer, chromium primer layer and cobalt magnetic layer
Inventor:
Makoto Mizukami
Patented Case
View Patent ↗
Granted: May 9, 1995
Filed: Jul 26, 1993
Inventor
Makoto Mizukami
Assignee (at issue)
Victor Company of Japan, Ltd.
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.