Granted Patent
Utility
US 4,379,742 · App. 06/237,279
Gas-generating metal electrode for electrochemical processes
Inventors:
Hans-Carl Rathjen, Konrad Koziol
Patented Case
View Patent ↗
Granted: Apr 12, 1983
Filed: Feb 23, 1981
Inventors
Hans-Carl Rathjen
Konrad Koziol
Assignee (at issue)
Conradty GmbH & Co. Metalleletroden KG
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.