Granted Patent
Utility
US 5,384,014 · App. 07/649,231
Apparatus and method for thickening pulp and paper stock
Inventor:
Terry L. Bliss
Patented Case
View Patent ↗
Granted: Jan 24, 1995
Filed: Jan 29, 1991
Inventor
Terry L. Bliss
Assignee (at issue)
Black Clawson Company, Inc.
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.