Granted Patent
Utility
US 6,581,783 · App. 09/858,586
Fine solids separator
Inventors:
Paul Blanche, Brian Philip Formby, Hongshun Li
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: May 17, 2001
Inventors
Paul Blanche
Brian Philip Formby
Hongshun Li
Assignee (at issue)
CDS PTY LTD
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.