Granted Patent
Utility
US 6,409,808 · App. 09/554,750
Separators
Inventors:
Neville Paul Chamberlain, Ian Charles Bedwell, Bjorn Christiansen, Gunnar Vangen, Jan Hoydal
Patented Case
View Patent ↗
Granted: Jun 25, 2002
Filed: Jul 24, 2000
Inventors
Neville Paul Chamberlain
Ian Charles Bedwell
Bjorn Christiansen
Gunnar Vangen
Jan Hoydal
Assignee (at issue)
Kvaerner Process Systems A.S.
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.