Granted Patent
Utility
US 4,001,104 · App. 05/430,385
Cemented collector bar assemblies for aluminum cell carbon bottom block
Inventors:
Jostein J. Vadla, Robert Milner
Patented Case
View Patent ↗
Granted: Jan 4, 1977
Filed: Jan 3, 1974
Inventors
Jostein J. Vadla
Robert Milner
Assignee (at issue)
Union Carbide 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.