Granted Patent
Utility
US 4,209,693 · App. 05/930,360
Surface ionization monitor for particulates and method
Inventors:
Wade L. Fite, Richard L. Myers
Patented Case
View Patent ↗
Granted: Jun 24, 1980
Filed: Aug 2, 1978
Inventors
Wade L. Fite
Richard L. Myers
Assignee (at issue)
Extranuclear Laboratories, 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.