Granted Patent
Utility
US 5,646,507 · App. 08/728,132
Battery charger system
Inventors:
John B. Timmons, David Paul Boden, Larry D. Stahl
Patented Case
View Patent ↗
Granted: Jul 8, 1997
Filed: Oct 3, 1996
Inventors
John B. Timmons
David Paul Boden
Larry D. Stahl
Assignee (at issue)
Douglas Battery Manufacturing Company
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.