Granted Patent
Utility
US 4,305,736 · App. 06/144,713
Cleaning of high-voltage electrodes in an electrostatic precipitator
Inventors:
Melvin R. Kahl, Peter C. Gelfand
Patented Case
View Patent ↗
Granted: Dec 15, 1981
Filed: Apr 28, 1980
Inventors
Melvin R. Kahl
Peter C. Gelfand
Assignee (at issue)
General Electric Company
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.