Granted Patent
Utility
US 5,207,826 · App. 07/771,811
Bacterial cellulose binding agent
Inventors:
John A. Westland, R. Scott Stephens, William C. Johnston, Harold J. Rosenkrans
Patented Case
View Patent ↗
Granted: May 4, 1993
Filed: Oct 7, 1991
Inventors
John A. Westland
R. Scott Stephens
William C. Johnston
Harold J. Rosenkrans
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.