Granted Patent
Utility
US 4,352,679 · App. 06/252,871
Deoxygenating equipment and method of operation
Inventors:
Luigi Notardonato, Casimir Pulawski, David M. Kemp
Patented Case
View Patent ↗
Granted: Oct 5, 1982
Filed: Apr 10, 1981
Inventors
Luigi Notardonato
Casimir Pulawski
David M. Kemp
Assignee (at issue)
FMC 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.