Granted Patent
Utility
US 6,593,017 · App. 10/059,778
High capacity calcium lithium based hydrogen storage material and method of making the same
Inventors:
Zhaosheng Tan, Krishna Sapru
Patented Case
View Patent ↗
Granted: Jul 15, 2003
Filed: Jan 30, 2002
Inventors
Zhaosheng Tan
Krishna Sapru
Assignee (at issue)
Energy Conversion Devices, 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.