Granted Patent
Utility
US 5,565,068 · App. 08/490,927
Energy conservation during plural stage distillation
Inventors:
Stuart J. Parker, Arlen G. Sliger, Rei-Yu J. Hwan
Patented Case
View Patent ↗
Granted: Oct 15, 1996
Filed: Jun 16, 1995
Inventors
Stuart J. Parker
Arlen G. Sliger
Rei-Yu J. Hwan
Assignee (at issue)
Texaco Development Corporation
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.