Granted Patent
Utility
US 5,575,086 · App. 08/307,139
Fluidized bed with improved nozzle construction
Inventors:
Ernest L. Hartman, Michael C. Tanca
Patented Case
View Patent ↗
Granted: Nov 19, 1996
Filed: Sep 16, 1994
Inventors
Ernest L. Hartman
Michael C. Tanca
Assignee (at issue)
Combustion Engineering, 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.