Granted Patent
Utility
US 4,704,084 · App. 06/106,745
NO.sub.X reduction in multisolid fluidized bed combustors
Inventors:
Ke-Tien Liu, Herman Nack
Patented Case
View Patent ↗
Granted: Nov 3, 1987
Filed: Dec 26, 1979
Inventors
Ke-Tien Liu
Herman Nack
Assignee (at issue)
Battelle Development 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.