Granted Patent
Utility
US 6,007,736 · App. 08/647,818
Oxygen generating compositions catalyzed by copper and nickel oxides
Inventors:
Yunchang Zhang, James C. Cannon, Girish S. Kshirsagar
Patented Case
View Patent ↗
Granted: Dec 28, 1999
Filed: May 15, 1996
Inventors
Yunchang Zhang
James C. Cannon
Girish S. Kshirsagar
Assignee (at issue)
BE Intellectual Property, Inc.
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.