Granted Patent
Utility
US 4,339,401 · App. 05/857,315
Process for producing metal powders having low oxygen content
Inventors:
Ian Clark, Benjamin J. Baltrukovicz
Patented Case
View Patent ↗
Granted: Jul 13, 1982
Filed: Dec 5, 1977
Inventors
Ian Clark
Benjamin J. Baltrukovicz
Assignee (at issue)
The International Nickel Company, Inc.
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.