Granted Patent
Utility
US 6,204,632 · App. 09/392,232
Apparatus for charging multiple batteries
Inventors:
David S. Nierescher, Walter A. Van Schalkwijk, Robert M. Paratore
Patented Case
View Patent ↗
Granted: Mar 20, 2001
Filed: Sep 8, 1999
Inventors
David S. Nierescher
Walter A. Van Schalkwijk
Robert M. Paratore
Assignee (at issue)
Selfcharge
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.