Granted Patent
Utility
US 5,939,043 · App. 09/105,659
Process for preparing Li.sub.x Mn.sub.2 O.sub.4 intercalation compounds
Inventor:
Masataka Yahagi
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Jun 26, 1998
Inventor
Masataka Yahagi
Assignee (at issue)
Ga-Tek, Inc.
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.