Granted Patent
Utility
US 5,336,471 · App. 08/064,814
Support of ceramic catalyst
Inventors:
Mark E. Brophy, Robin B. Rhodes, Wayne S. Counterman
Patented Case
View Patent ↗
Granted: Aug 9, 1994
Filed: May 19, 1993
Inventors
Mark E. Brophy
Robin B. Rhodes
Wayne S. Counterman
Assignee (at issue)
ABB Air Preheater 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.