Granted Patent
Utility
US 4,600,481 · App. 06/454,719
Aluminum production cell components
Inventors:
Ajit Sane, Douglas J. Wheeler, Dan Gagescu, Pierre E. Debely, Iudita L. Adorian, Jean-Pierre Derivaz
Patented Case
View Patent ↗
Granted: Jul 15, 1986
Filed: Dec 30, 1982
Inventors
Ajit Sane
Douglas J. Wheeler
Dan Gagescu
Pierre E. Debely
Iudita L. Adorian
Jean-Pierre Derivaz
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.