Granted Patent
Utility
US 5,437,779 · App. 08/163,551
Method of making a magnetic record medium
Inventors:
Tomoo Shige, Yasushi Makabe, Masataka Yokoyama
Patented Case
View Patent ↗
Granted: Aug 1, 1995
Filed: Dec 9, 1993
Inventors
Tomoo Shige
Yasushi Makabe
Masataka Yokoyama
Assignee (at issue)
MITSUBISHI CHEMICAL 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.