Granted Patent
Utility
US 6,667,130 · App. 10/164,766
Recombinant lead-acid cell and long life battery
Inventors:
Sudhan S. Misra, Franz Wagner
Patented Case
View Patent ↗
Granted: Dec 23, 2003
Filed: Jun 7, 2002
Inventors
Sudhan S. Misra
Franz Wagner
Assignee (at issue)
C&D/Charter Holdings, 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.