Granted Patent
Utility
US 6,815,118 · App. 10/336,615
Valve regulated lead acid battery
Inventors:
Frank Fleming, Russell Harvey Newnham
Patented Case
View Patent ↗
Granted: Nov 9, 2004
Filed: Jan 4, 2003
Inventors
Frank Fleming
Russell Harvey Newnham
Assignees (at issue)
Hawker Energy Products Limited
Commonwealth Scientific and Industrial Research Organisation
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.