Granted Patent
Utility
US 4,459,197 · App. 06/506,228
Three layer laminated matrix electrode
Inventor:
Frank Solomon
Patented Case
View Patent ↗
Granted: Jul 10, 1984
Filed: Jun 22, 1983
Inventor
Frank Solomon
Assignee (at issue)
Diamond Shamrock 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.