Granted Patent
Utility
US 6,558,845 · App. 09/439,872
Mixed phase metal oxide and method of preparation
Inventors:
Randolph Leising, Esther S. Takeuchi
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Nov 12, 1999
Inventors
Randolph Leising
Esther S. Takeuchi
Assignee (at issue)
Wilson Greatbatch, Ltd.
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.