Granted Patent
Utility
US 4,969,814 · App. 07/349,407
Multiple oxidant jet combustion method and apparatus
Inventors:
Min-Da Ho, Paul J. Liszewski
Patented Case
View Patent ↗
Granted: Nov 13, 1990
Filed: May 8, 1989
Inventors
Min-Da Ho
Paul J. Liszewski
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.