Granted Patent
Utility
US 5,565,076 · App. 08/445,634
Fluoride sensing electrodes with longer service life, retrofittable shields therefor, and processes utilizing such electrodes
Inventors:
Joseph C. Topping, Jeffrey Thomas Simpson
Patented Case
View Patent ↗
Granted: Oct 15, 1996
Filed: May 22, 1995
Inventors
Joseph C. Topping
Jeffrey Thomas Simpson
Assignee (at issue)
Henkel Limited
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.