Granted Patent
Utility
US 6,686,076 · App. 09/935,965
Electrochemical conversion system
Inventor:
Lonnie G. Johnson
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Aug 24, 2001
Inventor
Lonnie G. Johnson
Assignee (at issue)
Excellatron Solid State 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.