Granted Patent
Utility
US 6,602,479 · App. 09/885,503
Exhaust gas purifying catalyst
Inventors:
Shigeyoshi Taniguchi, Makoto Horiuchi
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Jun 20, 2001
Inventors
Shigeyoshi Taniguchi
Makoto Horiuchi
Assignees (at issue)
ICT Co., Ltd.
International Catalyst Technology, 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.