Granted Patent
Utility
US 6,294,072 · App. 09/398,859
Removal of metal oxide scale from metal products
Inventor:
David C. Fairbourn
Patented Case
View Patent ↗
Granted: Sep 25, 2001
Filed: Sep 20, 1999
Inventor
David C. Fairbourn
Assignee (at issue)
Aeromet Technologies, 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.