Granted Patent
Utility
US 6,599,348 · App. 09/872,739
Methods for reducing entrainment of solids and liquids
Inventors:
Jack Chosnek, David William Ford, Michael Lakin
Patented Case
View Patent ↗
Granted: Jul 29, 2003
Filed: Jun 1, 2001
Inventors
Jack Chosnek
David William Ford
Michael Lakin
Assignee (at issue)
Celanese International 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.