Granted Patent
Utility
US 6,649,296 · App. 09/419,343
Unitized cell solid oxide fuel cells
Inventor:
Nguyen Q. Minh
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: Oct 15, 1999
Inventor
Nguyen Q. Minh
Assignee (at issue)
Hybrid Power Generation Systems, LLC
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.