Granted Patent
Utility
US 4,378,381 · App. 06/202,740
Suspensions containing microfibrillated cellulose
Inventors:
Albin F. Turbak, Fred W. Snyder, Karen R. Sandberg
Patented Case
View Patent ↗
Granted: Mar 29, 1983
Filed: Oct 31, 1980
Inventors
Albin F. Turbak
Fred W. Snyder
Karen R. Sandberg
Assignee (at issue)
International Telephone and Telegraph Corporation
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.