Granted Patent
Utility
US 6,680,279 · App. 10/056,381
Nanostructured catalyst particle/catalyst carrier particle system
Inventors:
Mei Cai, Lee Lizhong Feng, Martin S. Ruthkosky, Jerry Dale Rogers
Patented Case
View Patent ↗
Granted: Jan 20, 2004
Filed: Jan 24, 2002
Inventors
Mei Cai
Lee Lizhong Feng
Martin S. Ruthkosky
Jerry Dale Rogers
Assignee (at issue)
General Motors LLC
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.