Granted Patent
Utility
US 5,440,876 · App. 08/166,937
Exhaust gas purification
Inventors:
Keith H. Bayliss, Stephen Ivor Hall, David Raybone
Patented Case
View Patent ↗
Granted: Aug 15, 1995
Filed: Dec 15, 1993
Inventors
Keith H. Bayliss
Stephen Ivor Hall
David Raybone
Assignee (at issue)
United Kingdom Atomic Energy Authority
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.