Granted Patent
Utility
US 6,726,892 · App. 10/076,026
Advanced aluminum alloys for hydrogen storage
Inventor:
Ming Au
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Feb 12, 2002
Inventor
Ming Au
Assignee (at issue)
Quantum Fuel Systems Technologies Worldwide, 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.