Granted Patent
Utility
US 6,146,783 · App. 09/082,653
Multi-cell storage battery
Inventors:
Thomas Brohm, Friedhelm Bottcher
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: May 21, 1998
Inventors
Thomas Brohm
Friedhelm Bottcher
Assignee (at issue)
Varta Batterie Aktiengesellschaft
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.