Granted Patent
Utility
US 5,990,660 · App. 09/237,112
Process for improving the charging and discharging capacity of storage batteries
Inventor:
Eberhard Meissner
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Jan 26, 1999
Inventor
Eberhard Meissner
Assignee (at issue)
VB Autobatterie GmbH
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.