Granted Patent
Utility
US 4,284,417 · App. 06/130,642
Method for controlling electric power supplied to corona generating electrodes in an electrostatic precipitator
Inventors:
Robert O. Reese, Karl Wieber, James A. Sholly
Patented Case
View Patent ↗
Granted: Aug 18, 1981
Filed: Mar 17, 1980
Inventors
Robert O. Reese
Karl Wieber
James A. Sholly
Assignee (at issue)
Envirotech, 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.