Granted Patent
Utility
US 5,880,046 · App. 08/012,206
Moldable refractory composition and process for preparing the same
Inventors:
Pierre Delvaux, Luc Desrosiers, Marcel Gouin, Louis Campagna
Patented Case
View Patent ↗
Granted: Mar 9, 1999
Filed: Jan 23, 1998
Inventors
Pierre Delvaux
Luc Desrosiers
Marcel Gouin
Louis Campagna
Assignee (at issue)
Cerminco 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.