Granted Patent
Utility
US 5,963,013 · App. 08/848,284
Storage battery charging apparatus and methods
Inventors:
James L. Watson, Janet Watson
Patented Case
View Patent ↗
Granted: Oct 5, 1999
Filed: Apr 29, 1997
Inventors
James L. Watson
Janet Watson
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.