Granted Patent
Utility
US 4,401,548 · App. 06/233,993
Reference electrode with internal diffusion barrier
Inventor:
Donald P. Brezinski
Patented Case
View Patent ↗
Granted: Aug 30, 1983
Filed: Feb 12, 1981
Inventor
Donald P. Brezinski
Assignee (at issue)
Corning Glass Works
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.