Granted Patent
Utility
US 5,593,796 · App. 08/444,072
Recombinant lead-acid cell and long life battery
Inventors:
Sudhan S. Misra, Franz Wagner
Patented Case
View Patent ↗
Granted: Jan 14, 1997
Filed: May 18, 1995
Inventors
Sudhan S. Misra
Franz Wagner
Assignee (at issue)
C & D Charter Power Systems, 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.