Granted Patent
Utility
US 4,450,080 · App. 06/425,323
Apparatus for removing excess liquid and contaminants from belt filter cake
Inventor:
Joseph C. Dodd
Patented Case
View Patent ↗
Granted: May 22, 1984
Filed: Sep 28, 1982
Inventor
Joseph C. Dodd
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.