Granted Patent
Utility
US 4,485,968 · App. 06/415,389
Boiler nozzle
Inventor:
Camille J. Berthiaume
Patented Case
View Patent ↗
Granted: Dec 4, 1984
Filed: Sep 7, 1982
Inventor
Camille J. Berthiaume
Assignee (at issue)
Columbia Chase 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.