Granted Patent
Utility
US 6,748,671 · App. 09/998,143
Process to produce dried singulated cellulose pulp fibers
Inventors:
Michael Vrbanac, Ramon Dezutter, Brian Wester, Michael J. Yancey
Patented Case
View Patent ↗
Granted: Jun 15, 2004
Filed: Oct 30, 2001
Inventors
Michael Vrbanac
Ramon Dezutter
Brian Wester
Michael J. Yancey
Assignee (at issue)
Weyerhaeuser NR Company
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.