Granted Patent
Utility
US 4,332,597 · App. 06/222,040
Plate electrode arrangement for an electrostatic precipitator
Inventor:
James E. Wooldridge
Patented Case
View Patent ↗
Granted: Jun 1, 1982
Filed: Jan 2, 1981
Inventor
James E. Wooldridge
Assignee (at issue)
Allis-Chalmers 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.