Granted Patent
Utility
US 4,601,814 · App. 06/498,883
Method and apparatus for cracking residual oils
Inventors:
Jean-Louis Mauleon, Robert J. Newman
Patented Case
View Patent ↗
Granted: Jul 22, 1986
Filed: May 27, 1983
Inventors
Jean-Louis Mauleon
Robert J. Newman
Assignee (at issue)
Total Engineering and Research 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.