Granted Patent
Utility
US 6,722,154 · App. 10/435,577
Metal hydride based air cooling method and apparatus
Inventors:
Zhaosheng Tan, Krishna Sapru
Patented Case
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Granted: Apr 20, 2004
Filed: May 9, 2003
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.