Granted Patent
Utility
US 6,491,168 · App. 09/559,017
Pulp screen basket
Inventors:
Mark S. Lutz, Tim J. Cromell
Patented Case
View Patent ↗
Granted: Dec 10, 2002
Filed: Apr 23, 2000
Inventors
Mark S. Lutz
Tim J. Cromell
Assignee (at issue)
J & L Fiber Services, 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.