Granted Patent
Utility
US 6,528,163 · App. 10/128,954
Lyocell fiber from sawdust pulp
Inventors:
James E. Sealey, II, W. Harvey Persinger, Jr., Mengkui Luo, Brian Wester
Patented Case
View Patent ↗
Granted: Mar 4, 2003
Filed: Apr 23, 2002
Inventors
James E. Sealey, II
W. Harvey Persinger, Jr.
Mengkui Luo
Brian Wester
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.