Granted Patent
Utility
US 4,771,029 · App. 07/052,103
Monolith washcoat having optimum pore structure and optimum method of designing the washcoat
Inventors:
Carmo J. Pereira, Joseph E. Kubsh, Louis Hegedus
Patented Case
View Patent ↗
Granted: Sep 13, 1988
Filed: May 18, 1987
Inventors
Carmo J. Pereira
Joseph E. Kubsh
Louis Hegedus
Assignee (at issue)
W.R. Grace & Co. Conn.
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.