Granted Patent
Utility
US 6,129,217 · App. 08/808,588
Hydrocyclone and separator assemblies utilizing hydrocyclones
Inventors:
Lawrence A. Trickey, Geoffrey J. Childs
Patented Case
View Patent ↗
Granted: Oct 10, 2000
Filed: Feb 28, 1997
Inventors
Lawrence A. Trickey
Geoffrey J. Childs
Assignee (at issue)
Corn Products International, Inc.
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.