Granted Patent
Utility
US 4,822,473 · App. 07/189,111
Electrode for generating an electrostatic field
Inventor:
Tore Arnesen
Patented Case
View Patent ↗
Granted: Apr 18, 1989
Filed: May 2, 1988
Inventor
Tore Arnesen
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.