Granted Patent
Utility
US 5,538,708 · App. 08/350,350
Expansion section as the inlet to the flue in a titanium dioxide process
Inventors:
Raul A. Gonzalez, Charles David Musick
Patented Case
View Patent ↗
Granted: Jul 23, 1996
Filed: Dec 6, 1994
Inventors
Raul A. Gonzalez
Charles David Musick
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND COMPANY
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.