Granted Patent
Utility
US 4,582,568 · App. 06/532,357
Apparatus for controlling the consistency of a pulp suspension
Inventor:
Rangaswami S. Iyengar
Patented Case
View Patent ↗
Granted: Apr 15, 1986
Filed: Sep 15, 1983
Inventor
Rangaswami S. Iyengar
Assignee (at issue)
Beloit 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.