Granted Patent
Utility
US 4,124,359 · App. 05/792,653
Electrostatic precipitator
Inventor:
Edward W. Geller
Patented Case
View Patent ↗
Granted: Nov 7, 1978
Filed: May 2, 1977
Inventor
Edward W. Geller
Assignee (at issue)
Flow Industries, Ltd.
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.