Granted Patent
Utility
US 6,744,500 · App. 10/002,680
Identification of material inclusions in pulp and paper using Raman spectroscopy
Inventors:
James Bradbury, Donald R. Smith, Edward R. Grant, Philipp Kukura
Patented Case
View Patent ↗
Granted: Jun 1, 2004
Filed: Oct 23, 2001
Inventors
James Bradbury
Donald R. Smith
Edward R. Grant
Philipp Kukura
Assignees (at issue)
Stora Enso North America Corp.
SpectraCode, 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.