Granted Patent
Utility
US 6,660,425 · App. 09/461,552
Catalyst design for VRLA batteries
Inventors:
William E. M. Jones, Harold A Vanasse, Joshua E. Clapper
Patented Case
View Patent ↗
Granted: Dec 9, 2003
Filed: Dec 14, 1999
Inventors
William E. M. Jones
Harold A Vanasse
Joshua E. Clapper
Assignee (at issue)
William R. Jones
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.