Granted Patent
Utility
US 5,956,945 · App. 08/970,946
Apparatus and method for diagnosis of catalyst performance
Inventors:
Sanath Kumar, Ronald M. Heck, Jeffrey D. Naber, Alan Chewter, David Price
Patented Case
View Patent ↗
Granted: Sep 28, 1999
Filed: Nov 14, 1997
Inventors
Sanath Kumar
Ronald M. Heck
Jeffrey D. Naber
Alan Chewter
David Price
Assignees (at issue)
Engelhard Corporation
Motorola, 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.