Granted Patent
Utility
US 4,560,448 · App. 06/505,363
Aluminum wettable materials for aluminum production
Inventors:
Ajit Sane, Douglas J. Wheeler, Charles S. Kuivila
Patented Case
View Patent ↗
Granted: Dec 24, 1985
Filed: Jun 17, 1983
Inventors
Ajit Sane
Douglas J. Wheeler
Charles S. Kuivila
Assignee (at issue)
Eltech Systems 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.