Granted Patent
Utility
US 6,191,859 · App. 08/739,006
Optical systems for use in sorting apparatus
Inventors:
David Roy Winterbottom, Laurence Robinson
Patented Case
View Patent ↗
Granted: Feb 20, 2001
Filed: Oct 28, 1996
Inventors
David Roy Winterbottom
Laurence Robinson
Assignee (at issue)
Sortex Limited
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.