Granted Patent
Utility
US 4,408,214 · App. 06/295,941
Thermally regulated ion generation
Inventors:
Richard A. Fotland, Leo A. Beaudet
Patented Case
View Patent ↗
Granted: Oct 4, 1983
Filed: Aug 24, 1981
Inventors
Richard A. Fotland
Leo A. Beaudet
Assignee (at issue)
Dennison Manufacturing 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.