Granted Patent
Utility
US 4,734,174 · App. 06/942,865
Electrochemical formation of thin-film electrodes
Inventor:
Joseph J. Venis, Jr.
Patented Case
View Patent ↗
Granted: Mar 29, 1988
Filed: Dec 17, 1986
Inventor
Joseph J. Venis, Jr.
Assignee (at issue)
Polaroid Corporation
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.