Granted Patent
Utility
US 6,475,659 · App. 09/441,402
Selectable capacity fixed footprint lead-acid battery racking system with horizontal plates
Inventor:
Drew Heimer
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Nov 16, 1999
Inventor
Drew Heimer
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.