Granted Patent
Utility
US 4,510,033 · App. 06/621,938
Frozen electrolyte bath removal apparatus
Inventors:
Robert J. Martin, Lawrence W. Cisko, Bernard C. Turley
Patented Case
View Patent ↗
Granted: Apr 9, 1985
Filed: Jun 18, 1984
Inventors
Robert J. Martin
Lawrence W. Cisko
Bernard C. Turley
Assignee (at issue)
Aluminum Company of America
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.