Granted Patent
Utility
US 4,378,205 · App. 06/138,759
Oxygen aspirator burner and process for firing a furnace
Inventor:
John Erling Anderson
Patented Case
View Patent ↗
Granted: Mar 29, 1983
Filed: Apr 10, 1980
Inventor
John Erling Anderson
Assignee (at issue)
Union Carbide 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.