Granted Patent
Utility
US 6,686,319 · App. 07/335,819
Metal oxide materials
Inventors:
Jeffrey Tallon, Robert G. Buckley, Murray Presland
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Apr 10, 1989
Inventors
Jeffrey Tallon
Robert G. Buckley
Murray Presland
Assignee (at issue)
Her Majesty the Queen in right of New Zealand
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.