Granted Patent
Utility
US 6,734,331 · App. 10/193,068
Process for producing olefins and diolefins
Inventors:
Anthony Cirrito, Bernard P. Ennis
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Jul 11, 2002
Inventors
Anthony Cirrito
Bernard P. Ennis
Assignee (at issue)
EGT Developments, LLC
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.