Granted Patent
Utility
US 4,764,253 · App. 06/816,339
Method for controlling feed of foamed fiber slurries
Inventors:
James O. Cheshire, Bruce W. Janda, Robert S. Thut
Patented Case
View Patent ↗
Granted: Aug 16, 1988
Filed: Jan 6, 1986
Inventors
James O. Cheshire
Bruce W. Janda
Robert S. Thut
Assignee (at issue)
James River-Norwalk
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.